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What is the value of 2x3 plus 15y if x equals -7 and y equals 2?
Wiki User
∙ 12y ago
If x = -7, then x3 = -343 so that 2x3 = -686
y = 2 then 15 y = 30
So 2x3 + 15y = -686 + 30 = -656
Wiki User
∙ 12y ago
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What is the value of 2x3 plus 15yif x equals -7 and y equals 2?
x = -7, y = 2 ⇒ 2x3 + 15y = 2 x (-7)3 + 15 x 2 = 2 x (-343) + 15 x 2 = -656
How do you factor this Y equals x³ plus 3x² - 10x-24 and Y equals -x³ -6x²-3x plus 10?
It can be simplified in the form of: 2x3+9x2-7x-34 = 0
What is 2x cubed plus x squared plus 15?
2x3 + x2 + 15 This is a 3rd order polynomial in 'x'. It's numerical value kinda depends on the value of 'x'.
What are the solutions to the equation 2x 3 plus 4 equals 17?
2x3 + 4 = 17 2x3 = 13 x3 = 13 / 2 x = (13 / 2)1/3 x = 521/3 / 2
Factor 4x5 plus 6x3 plus 6x2 plus 9?
Rearrange: 4x5 + 6x2 + 6x3 + 9 Group: 2x2 (2x3 + 3) + 3 (2x3 + 3) Simplify to get your answer: (2x2 + 3) (2x3 + 3)
What is the value of 2x3 plus 15yif x equals -7 and y equals 2?
x = -7, y = 2 ⇒ 2x3 + 15y = 2 x (-7)3 + 15 x 2 = 2 x (-343) + 15 x 2 = -656
X4 equals 2x3 plus 1?
Not necessarily.
2x3 plus 3x5- 3x2 equals?
(2x3)+(3x5)-(3x2)= 2x3=6 3x5=15 3x2=6 So..... 6x25-6= 6x25=150 150+6=156
What is 2x3 plus 11x equals 6x?
your equation is this... 2x3 + 11x = 6x 2x3 + 5x = 0 x(2x2 + 5) = 0 x = 0 and (5/2)i and -(5/2)i
How do you factor this Y equals x³ plus 3x² - 10x-24 and Y equals -x³ -6x²-3x plus 10?
It can be simplified in the form of: 2x3+9x2-7x-34 = 0
What is the answer to this math question 5 plus 6 plus 2 x 3 plus 9 equals?
It depends on whether or not there are parentheses around the 2x3. If yes, the answer is 26. If not, the answer is 48.
What is 2x cubed plus x squared plus 15?
2x3 + x2 + 15 This is a 3rd order polynomial in 'x'. It's numerical value kinda depends on the value of 'x'.
What are the solutions to the equation 2x 3 plus 4 equals 17?
2x3 + 4 = 17 2x3 = 13 x3 = 13 / 2 x = (13 / 2)1/3 x = 521/3 / 2
Factor 4x5 plus 6x3 plus 6x2 plus 9?
Rearrange: 4x5 + 6x2 + 6x3 + 9 Group: 2x2 (2x3 + 3) + 3 (2x3 + 3) Simplify to get your answer: (2x2 + 3) (2x3 + 3)
How do you slove 2x plus 3 equals 9x?
2x+3=9x-2x -2x3=7x/7 /73/7=x
What is 7 plus 2x3?
13
What are number factors in maths?
4 equals 2x2, 6 equals 2x3
