SOLUTION: factor quadratic expression 3. 5x2 – 19x – 4

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Question 375466: factor quadratic expression
3. 5x2 – 19x – 4
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

factoring quadratic expression

5x2 – 19x – 4

(5x + 1)(x-4) Note:SUM of the inner product(1*x) and the outer product(-20x) = -19x