How do you factor 4p ^ { 2} - 16p - 84?
2 Answers
Jul 18, 2017
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Explanation:
I used difference of squares identity.
Jul 18, 2017
Explanation:
Given:
4p^2-16p-84
Note that all of the coefficients are divisible by
The remaining quadratic is monic (leading coefficient
4p^2-16p-84 = 4(p^2-4p-21)
color(white)(4p^2-16p-84) = 4(p-7)(p+3)