Докажите тождество: x^2+14x-51=(x+17)(x-3)

Question

Докажите тождество:
x^2+14x-51=(x+17)(x-3)

Answer 1

x^2+14x-51=(x+17)(x-3)
(x+17)(x-3)=x²-3x+17x-51=x²+14x-51
x²+14x-51=x²+14x-51