<img src="https://tex.z-dn.net/?f=p%28x%29%3Dx%5E%7B3%7D%2B7x%5E%7B2%7D%20-4x-28" id="TexFormula1" title="p(x)=x^{3}+7x^{2} -4x-

dlinn [17]

3 years ago

28" alt="p(x)=x^{3}+7x^{2} -4x-28" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

vova2212 [387]3 years ago

8 0

Answer:

(x + 7) (x + 2) (x - 2)

Step-by-step explanation:

p(x) = x³ + 7x² - 4x - 28

= x² (x + 7) - 4 (x +7)

= (x + 7) (x² - 4)

= (x + 7) (x + 2) (x - 2)

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