Which of the binomials below is a factor if this trinomial? x^2 - 3x - 4 A. x + 4 B. x + 8 C. x^2 + 4 D. x - 4

Mossawi asked Oct 25, 2023

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27 votes

Which of the binomials below is a factor if this trinomial?

x^2 - 3x - 4

A. x + 4

B. x + 8

C. x^2 + 4

D. x - 4

Mossawi asked Oct 25, 2023

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17 votes

Answer:

D. x - 4

Explanation:

x² - 3x - 4 = ( x - 4 )( x + 1 )

main formula: x² + ( a + b )x + ab = ( x + a )( x + b )

Acheo answered Oct 31, 2023

by Acheo

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