3 years ago

Factor the polynomial x(3x+5)-4(3x+5)

2 answers:

4 0

Answer:

$(3x+5)(x-4)$

Step-by-step explanation:

First, we must distribute this:

$x(3x+5)-4(3x+5)\\3x^2+5x-12x-20\\3x^2-7x-20$

Now, we must factor:

$3x^2-7x-20\\(3x+5)(x-4)$

3 0

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