Question

Resolva:
(x²+9x-2) + (x²-6x+6)

Answer 1

(x²+9x-2) + (x²-6x+6) =

x² +9x - 2 + x² - 6x + 6 =

x² + x² +9x - 3x -2 + 6 =

2x² + 3x + 4

Espero ter ajudado.

Answer 2

$(x^2 + 9x - 2) + (x^2 - 6x + 6) \\ \\x^2 + 9x - 2 + x^2 - 6x + 6 \\ \\2x^2 + 3x + 4$