Question

a) (2x² - 9x + 2) + (3x² + 7x - 1)=
b) (5x² + 5x - 8) - (-2x² + 3x - 2) =
c) 2. (3a + b)=
d) (3x + 5). (2x - 2) =
e)(14x⁴ - 12x³ + 10x²) : (-2x²) =​

Answer 1

(2x²-9x+2)+(3x²+7x-1) =

= 2x² + 3x² - 9x + 7x + 2 - 1=

= 5x² - 2x + 1