Question

Expand and simplify

(3x+4) (x-1) - (1-x)^2

Answer 1

Answer:

(x -1)(2x +5)

Step-by-step explanation:

(3x^2 - 3x + 4x - 4) - (1- 2x+ x^2)

= 3x^2 +x -4 -1 +2x -x^2

= 2x^2 +3x -5

= 2x^2 +5x -2x -5

= x(2x +5) -1(2x +5)

= (x-1)(2x +5)