Question

${x}^{2} - 3x - {3x}^{2} 4x + {7x}^{2}$
$3x - (6x + 7)$
​

Answer 1

$x {}^{2} - 3x - 3x {}^{2} 4x + 7x {}^{2}$

RESPOSTA:

$x \times (8x - 3 - 12x {}^{2}$

$3x - (6x + 7)$

RESPOSTA:

$- 3x - 7$

Bons estudos ♡