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How can I solve this

How can I solve this-example-1
User Gary Qian
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1 Answer

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4 x^2 - 32 = 8x
-8x -8x

4x^2 - 8x - 32 = 0

Factor the expression ...

4 ( x+2) ( x - 4) = 0

Set the factors equal to 0 ...

x + 2 = 0 x - 4 = 0
-2 -2 +4 +4

x = - 2 or x = 4
User Taji
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