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what is f(x)=x2-5x-150 you have to solve for zero

Guest Mar 17, 2017
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Solve for x:
x^2 - 5 x - 150 = 0

The left hand side factors into a product with two terms:
(x - 15) (x + 10) = 0

Split into two equations:
x - 15 = 0 or x + 10 = 0

Add 15 to both sides:
x = 15 or x + 10 = 0

Subtract 10 from both sides:
Answer: |x = 15           or                    x = -10

Guest Mar 17, 2017

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