Question

Efetue as adições

a) 2x² - 9x + 2 + (3x² + 7x -1) =


b) 5x² + 5x - 8 + (-2x + 3x -2) =​

Answer 1

a) 5x^2-2x+1

b) 5x^2+6x-10

Answer 2

$\large\boxed{\boxed{\boxed{{Ol\'a}}}}}$

$A)\:2x^2-9x+2+(3x^2+7x-1)$

$2x^2+3x^2-9x+7x+2-1$

$5x^2-2x+1$

$B)\:5x^2+5x-8+(-2x+3x-2)$

$5x^2+5x-8+(x-2)$

$5x^2+5x+x-8-2$

$5x^2+6x-10$

::::::espero ter ajudado:::::