SOLUTION: Solve for X X^2(2x-5)^2+x(5-2x)^3 Possible answers: a. -13 b. -13/2 c. 13/2 d. 13

Algebra.Com
Question 40435: Solve for X
X^2(2x-5)^2+x(5-2x)^3
Possible answers:
a. -13
b. -13/2
c. 13/2
d. 13

Found 2 solutions by Fermat, Nate:
Answer by Fermat(136)   (Show Source): You can put this solution on YOUR website!
I assume that your expression is equated to zero, yes?

The term can be rewritten as: , giving

Take out the common factor of ,




Since the product of the three terms, , and is zero, then we equate each of the individual terms to zero as a solution to the problem. This gives us,
, ,
Ans: , ,
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Unfortunately, none of the solutions match your possible answers. I can't see anything wrong with my working. Is the expression supposed to be equated to zero ?

Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!




Plug in your available answers, and none work.

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