If a = 1 and b = -2, then (2a^2 + b)(x+y) + (a+b)(x-y)=
A. 0
B. 2x
C. y-x
D. x-y
E. x+y
Answer is C
Thanks again!:)
A. 0
B. 2x
C. y-x
D. x-y
E. x+y
Answer is C
Thanks again!:)
# (2a² + b)(x + y) + (a + b)(x - y)gmatpup wrote:If a = 1 and b = -2, then (2a^2 + b)(x+y) + (a+b)(x-y)=
= (2 - 2)(x + y) + (1 - 2)(x - y)
= 0 + (-1)(x - y)
= -(x - y)
= (y - x)
The correct answer is C.
