Factor completely: 3x2 − 17x − 28

Mathematics

2 answers:

Andrej [43]3 years ago

5 0

3x^2 + 4x - 21x - 28
x(3x + 4) - 7(3x + 4)
(3x + 4) (x - 7)

Answer: B).

NeTakaya3 years ago

4 0

3x^2 - 17x - 28
= 3x^2 -21X + 4x -28
= 3x(x - 7) + 4(x - 7)
= (3x + 4)(x - 7)

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