Question

me ayudan plissssss lo nesecito urgente

Answer 1

82,-1
$\frac{2x - 8}{2x - 10}$
2
$\frac{3x - 12}{3x - 15}$
83.-1
$\frac{2 {x }^{2} + 18 }{6 - 6x}$
2
$\frac{ {3x}^{2} + 27}{9 - 6x}$
84.- 1
$\frac{ {2x}^{2} + 8x}{2x + 10}$
2
$\frac{ {3x}^{3} + 12x }{3x + 15}$
85.-1
$\frac{ {2x}^{2} - 2a {}^{2} }{2x {}^{2} + 2a}$
2
$\frac{ {3x}^{2} - {3a}^{2} }{3 {x}^{2} + 3a }$