Question

(05.01)

Answer 1

I hope this helps you

Answer 2

Simplify completely quantity 3 x squared plus 21 x minus 54 all over x squared plus 3 x minus 54. 

quantity 3 x squared plus 21 x
(3x^2 + 21x - 54)

x squared plus 3 x minus 54. 
(x^2 + 3x -54)

(3x^2 + 21x - 54)/(x^2 + 3x -54)

(3(x+9)(x-2)) / ((x+9)(x-6)

3(x-2) / (x-6)