Question

Resolva:
A) (3x² + 2x) + (2x² + x)=
B) (3x² + 2x) - (2x² + x)=

Answer 1

Resposta:

a)

$3x {}^{2} { + 2x + 2x {}^{} }^{2} + x \\ 5x {}^{2} + 3x$