Question

Omar grouped the terms and factored the GCF out of the groups of the polynomial 3x3 – 15x2 – 4x + 20. His work is shown.

Answer 1

Answer:

D) Omar should factor out a negative from one of the groups so the binomials will be the same.

Step-by-step explanation:

When Omar factored both the groups in step 2 the terms inside the parenthesis were not the same .There was a sign difference .In the next step he should take out a  negative from one of the groups then the terms inside the parenthesis will become same .

Step 1:$(3x^{3} -15x^{2}) +(-4x+20)$

step 2:$3x^{2} (x-5)+4(-x+5)$

Step 3:$3x^{2} (x-5)-4(x-5)$

Answer 2

Yes i believe the right should be D i had asked my teacher this and she said that D was the correct answer have a very nice day my friend