Question

add 5x²+9x+6,4x+3x²-8 and 5-6x
please give answer step by step​

Answer 1

==> (5x^2 + 9x + 6 )+( 4x + 3x^2 - 8)

==> 5x^2 + 3 x^2 + 9x + 4x +6 -8

==> 8 x^2 + 13 x -2

Add 5-6 x.

==>. 8x^2 + 13 x - 2 + 5 - 6x

==>. 8 x^2 + 7 x. +3