Question

An expression is shown.

(x²+2x-3) + (-4x² + 5x + 1)
Which expression is equivalent?
A5x2 + 7x + 4
C
5x2-3x - 4
C
し
J
C

Answer 1

(x²+2x-3) + (-4x² + 5x + 1)

we remove the () =

x²+2x-3-4x²+5x+1

we reduce

x²-4x²+2x+5x-3+1 =

-3x²+7x-2

expression is equivalent of (x²+2x-3) + (-4x² + 5x + 1) is -3x²+7x-2

Explanation: