Question

find out the factors as much you can
${x}^{3} + {7x}^{2} - 16x - 112$
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Answer 1

Answer:

${x}^{3} + {7x}^{2} - 16x - 112 \\ {x}^{2} (x + 7) - 16(x + 7) \\ ( {x}^{2} - 16)(x + 7)$

factors are (x^2 - 16) and (x+7).

if we expand .......

(x-4)(x+4)(x+7) are the factors ..