Find the factors of the expression $3x^2-5x-8$

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A(x+1) and (3x + 8)

B(x+1) and (3x - 8)

C(x-1) and (3x + 8)

D(x - 1) and (3x - 8)

Answer:

$3x^2-5x-8$

$=3x^2-8x+3x-8$

$=x(3x-8)+(3x-8)$

$=(3x-8)(x+1)$

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