answersLogoWhite

0


Best Answer

3x2 when x = 2

is the answer 3 X 4 = 12

or is the answer (3 X 2)2 = 62 = 36

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How would you solve x squared minus 3x minus 15 equals 0?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you solve X squared minus four for x equals 3?

Your Problem: X - 4 = ?Current Problem: 3 [squared] - 4 = ?How: When a numbered is squared, it means you multiply it against itself. So, 3 squared equals 3x3.3x3 = 9So, you would then take 9 and minus it by 4, which would than equal 5.Answer:3 [squared] - 4 = 5or9 - 4 = 5


How would you solve 2x minus 5 squared?

if you want to "solve" this equation, you need an equals sign somehwere! For example, if the problem was 2x - 52=5 then you could solve. You add 52 (or 25) to both sides so the equation becomes 2x = 30. Then you divide both sides by 2 to get x=15


What number equals 3 squared?

do u mean solve 3 squared? if so it = 3x3x3 that's how u work it out so the answer would be 27. hope this helps :)


How would you solve 'x squared equals 25x'?

X (x - 25) So X = 0 Or X = +25


How would you solve x 4 equals 5x 2?

Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "equals", "squared", "cubed" etc.


How would you solve y squared equals 11y?

y*y = 11y Divide both sides by y: y = 11


Ten x squared minus 17 x equals 63?

actually,10x squared minus 17 equals 63 would come out to x equals the square root of 8.to work this out, you would first at 17 to both sides to get 10x squared alone.63 plus 17 equals 80. you now have 10x squared equals 80. then divide each side by ten to get x squared alone. 80 divided by 10 equals 8. now you have x squared equals eight. finally, to find x, you find the square root of each side. x squared's square root is x, and 8's square root is 2.82842712 but I'm assuming you only have to write out x=√8.but the other answer was a good try:)Improved Answer:-10x2-17x = 6310x2-17x-63 = 0When factored: (5x+9)(2x-7) = 0Therefore the roots of the quadratic equation are: x = -9/5 and x = 7/2


What minus what equals 8939?

9000 minus 61 would equal 8939.


What is x-squared minus 2 x plus 15?

It is impossible but if it were x squared plus 2x minus 15 the equation would be (x+5) (x-3) with x being equal to either -5 or 3. If the original problem was x squared minus 2x minus 15 the equation would be (x-5)(x+3) and x would be equal to either 5 or -3


How would you factor 12n squared minus 18n?

6n(2n - 3)


How would you factor -6x squared minus 11x minus 4?

The factors are -1(2x + 1)(3x + 4)


How many x-intercepts does 3x squared minus 5x minus 1 equals y have?

It has two because (b^2-4ac) is positive, 37. a=3 b=-5 c=-1 If it was zero then it would be one intercept. If negative there would be none. This is called the determinant.