Question

Which of these expressions is equivalent to 3x(x-1)-5(x-1)? Select all that apply.

Answer 1

Answer:

3x(x-1)-5(x-1)

=3x²-3x-5x+5 (we can count it one by one)

=3x²-8x+5 (we can calculate the same variable)

#i'm from indonesia

hope it helps.

Answer 2

Answer:

$\boxed{3x^2 -8x+5}$

$\boxed{(3x-5)(x-1)}$

Step-by-step explanation:

$3x(x-1)-5(x-1)$

Expand brackets.

$3x(x)+3x(-1)-5(x)-5(-1)$

$3x^2 -3x-5x+5$

Combine like terms.

$3x^2 -8x+5$

$3x(x-1)-5(x-1)$

Take x-1 as a common factor.

$(3x-5)(x-1)$