3x + 4y + 3[x – 2(y – x) – y]
−6x\left(2+x\right)=0
p=5xy+y
$\frac{x+4}{2}$ = $\frac{x+10}{3}$
( -9 )5
(2x+5)(5x-3)(3x-4)
654321234567898765432123+643212345678909876543=
(2x-1)(x-5)(x+6)
(x+5)(x+3)^2
3( $x^{2}$-2yz+ $y^{2}$) -4( $x^{2}$- $y^{2}$-3yz)+ $x^{2}$ + $y^{2}$