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

3x^2-8x+5
x-1(3x-5)
(3x-5)(x-1)
(x-1)(3x+5)

User Richs
by
7.8k points

2 Answers

3 votes

Answer:


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


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

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)

User Vesperknight
by
7.8k points
3 votes

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.

User Rockford Lhotka
by
7.7k points

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