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Which shows one way to determine the factors of x3 + 4x2 + 5x + 20 by grouping?x(x2 + 4) + 5(x2 + 4)x2(x + 4) + 5(x + 4)x2(x + 5) + 4(x + 5)x(x2 + 5) + 4x(x2 + 5)
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Which shows one way to determine the factors of x3 + 4x2 + 5x + 20 by grouping?x(x2 + 4) + 5(x2 + 4)x2(x + 4) + 5(x + 4)x2(x + 5) + 4(x + 5)x(x2 + 5) + 4x(x2 + 5)

User Grzegorzz
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2 Answers

6 votes

Answer:

B. x2(x + 4) + 5(x + 4)

User RSATom
by
7.9k points
3 votes

x3 + 4x2 + 5x + 20

= x2(x + 4) + 5(x+4)

answer is b. x2(x + 4) + 5(x + 4) (second choice)

User Masao Liu
by
7.9k points
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