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In order for an expression of the form x^2 + bx to be a perfect square, it must be written in the form (x + c)^2, where c is a constant. To rewrite x^2 + bx as a perfect square, you must add (b/2)^2 to both sides of the equation.
Therefore, if x^2 + 5x is to be a perfect square, you must add (5/2)^2 to both sides of the equation:
x^2 + 5x + (5/2)^2 = (x + (5/2))^2
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What number must be added to x2 plus 5x to complete the square?
x2 + 5x + 6¼ = (x + 2½)2 and, hence, is a perfect square. As the co-efficient of x2 (the first term) is 1, you can safely follow this rule: Add the square of half the co-efficient in the second term, in order to complete the square. In this case, you take half of 5 (which is 2½) and, then, square it. This gives you your 6¼.
What is the square of a whole number called?
help me please, thank you I've been trying to solve this but I seem not being able to, I even asked my mom for help
What 3 square plus 4 square?
i need the answer for my homework please help ASAP!
In what state of matter are the forces of attractions among the particles so weak that they can be ignored under ordinary conditions.?
In a gas state, the forces of attraction among particles are so weak that they can typically be ignored under ordinary conditions. Gas particles are far apart and move freely, leading to minimal intermolecular forces compared to solids and liquids.
Outdoor Deck Designs?
form_title= Outdoor Deck Designs form_header= Dream up your perfect deck with help from a pro. What is the square footage of your deck?*= _ [50] What is your budget for a deck?*= _ [50] Please describe the deck in detail.*= _ [100]
Fractions Decimals Square Roots Order from Smallest to Largets Help please?
it depends on the numbers involved.. if you have examples of the fractions decimals and square roots i would be glad to help you
Good people help me please How about lucky-adj and the phrase Be better be perfect into Irish Gaelic?
Bí níos fearr. (be better/ more good) Bí foirfe. (be perfect).
Is Winsor Pilates an effective exercise?
Yes, it is an perfect exercise to help you with what ever you may need pilates to help. please forgive my stupidity on the answer to this question. i apologize formally.
Is any quadrilateral with a square is corner does it mean it's a square?
That is, a quadrilateral with no square corners is not a rectangle or a square. This is because by definition, a rectangle and a square have four square corners, so if a quadrilateral has no square corners, then it cannot be a rectangle or a square.
What is the past perfect tense of help?
The past perfect tense of help is had helped.
How much is 10000m in square feet?
please every body i need help can u unlock my phone please am from Ethiopia my blackberry model is 8700 and IMEI 356921015725721
How do you know if a number is square number?
I'm assuming you're wondering if a number is a perfect square? Well, memorization will help as will guess and check. However, if you feel like doing it all by hand, simplifying the square will help you determine if it is a perfect square. Example: let's figure out if the number 225 is a perfect square. Let's take 225 and factor it. When you factor this number, you want to look at factoring numbers which are a perfect square in and of themselves. So 22 is 4, but that doesn't factor, how about 52 ? 25 will indeed factor, so we have 25*9 (look at that, 9 is also a factor). If we split it up like this, we have sqrt(25*9). We can take the square root of these individually and multiply them together. sqrt(25)*sqrt(9) = 5*3 = 15. Therefore 225 is a perfect square of 15.
