Question

Select all the expressions that are equivalent to -36x+54y−90.

A. -9(4x−6y−10)
B. -18(2x−3y+5)
C. -6(6x+9y−15)
D. 18(-2x+3y−5)
E. -2(18x−27y+45)
F. 2(-18x+54y−90)

Answer 1

b) -18(2x -3y + 5)

d) 18(-2x + 3y - 5)

e) -2(18x - 27y + 45)

Explanation:

a) -9( 4x - 6y - 10) = -36x + 54y + 90 not equal

b) -18(2x - 3y + 5) = -36x + 54y - 90 equal

c) -6(6x + 9y - 15) = -36x - 54y + 90 not equal

d) 18(-2x + 3y - 5) = -36x + 54y - 90 equal

e) -2(18x - 27y + 45) = -36x + 54y - 90 equal

f) 2(-18x + 54y - 90) = -36x + 108y - 180 not equal