Question

factor the expression. 36y^2 – 84y – 147

a. (2y 7)(6y – 7)

b. 3(2y – 7)(6y 7)

c. (2y – 7)(18y 21)

d. 3(2y 7)(6y 7)

Answer 1

3 (12y^2-28y-49)
3 (12y^2-42y+14y-49)
3(6y (2y-7)+7 (2y-7))
3 (2y-7)(6y+7)ans b

Answer 2

If you would like to factor the expression 36y^2 - 84y - 147, you can do this using the following steps:

36y^2 - 84y - 147 = 3 * (12y^2 - 28y - 49) = 3 * (6y + 7) * (2y - 7)

The correct result would be b. 3 * (6y + 7) * (2y - 7).