SOLUTION: Which of the following is equivalent to the expression (4x^2+8x)-(x^2-10x) a. 3x^2-2x b. 5x^2-18 c. 3(x^2-6)

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: Which of the following is equivalent to the expression (4x^2+8x)-(x^2-10x) a. 3x^2-2x b. 5x^2-18 c. 3(x^2-6)      Log On


   

Question 1070555: Which of the following is equivalent to the expression (4x^2+8x)-(x^2-10x)
a. 3x^2-2x
b. 5x^2-18
c. 3(x^2-6)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(4x^2+8x)-(x^2-10x)
3x^2+18x, remembering to add 10x.
factor out 3x
3x(x+6)
None of the three choices works.
If the second term is (x^2+10x) then subtracting it would give a.