Question 229214: How do you Factor Polynomials "x^2-16x-36"
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! How do you Factor Polynomials "x^2 - 16x - 36
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think of the pairs of factors of 36: 2,18; 3,12; 4,9; 6,6
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The third term is negative, therefore the two factors will differ by the coefficient of x (16)
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We can see the difference between the pair 2, 18, is 16
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Give the signs by looking at the sign of 16 (-)
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Factors to
(x - 18)(x + 2) = 0
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FOIL this to prove it to yourself
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