Ifx 3 -3x 2 +3x-7=(x+1)(ax 2 +bx+c), then a+b+c=

Question

Philoid · Accepted Answer

We have,

=

By compairing both sides ,

= a = 1

= a + b = -3

= b + c = 3

= c = -7

Thus , a + (b + c) = 1+3 = 4.

Ifx3-3x2+3x-7=(x+1)(ax2+bx+c), then a+b+c=