Question

Efectue!

A) (a³+2a-1) + (-3a+2)

B) (-x³+3x²+x) -3(x³+2x²)

C) (a⁴+2ab+3b²) - (2a⁴+5ab-7b²)

Answer 1

A) a³+2a -1 -3a+2= a³- 1a +1

B) -x³+3x²+x -3x³-6x²= -4x³-3x²+x

C) a⁴+2ab+3b²-2a⁴-5ab+7b²=
-1a⁴-3ab+ 10b²