Question

simplify x cube - 4 - X + 4 x square upon X square + 3 X + 4​

Answer 1

Answer:

x³-4-x+4x²

x²+3x+4

= x(x²-4-1+4x)

x²+3x+4

= x(x²+4x-5)

x²+3x+4

= x(x²+5x-x-5)

x²+4x-x-4

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

(x-1) (x+4)