Question

b) – 10²ax² + 20²ax² =

Answer 1

Oie, tudo bom?

$= - 10{}^{2}ax {}^{2} + 20 {}^{2} ax {}^{2}$

$= - 100ax {}^{2} + 400ax {}^{2}$

$= ( - 100 + 400)ax {}^{2}$

$\boxed{ = 300ax {}^{2} }$

Att. NLE Top Shotta

Answer 2

Vamos lá :

- 10²ax² + 20²ax²

= - 100ax² + 400ax²

= 400ax² - 100ax²

= 300ax²

Espero ter ajudado !!!