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can you show me the steps for

2(2x+1)(x-5)=0

Guest Feb 20, 2017
 #1
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+5

Solve for x:
2 (x - 5) (2 x + 1) = 0

Divide both sides by 2:
(x - 5) (2 x + 1) = 0

Split into two equations:
x - 5 = 0 or 2 x + 1 = 0

Add 5 to both sides:
x = 5 or 2 x + 1 = 0

Subtract 1 from both sides:
x = 5 or 2 x = -1

Divide both sides by 2:
Answer: |x = 5         or         x = -1/2

Guest Feb 20, 2017

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