SOLUTION: Solve equations by factoring Solve the equation. (x - 8)^2 = - 36x

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Question 378839: Solve equations by factoring
Solve the equation.
(x - 8)^2 = - 36x

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Solving equation by factoring

(x - 8)^2 = - 36x 

x^2 - 16x + 64 = -36x

x^2 + 20x + 64 = 0

(x + 4)(x+ 16) = 0 Note:SUM of the inner product(4x) and the outer product(16x) = 20x

(x + 4)=0

x = -4

(x+ 16) = 0

x = -16