Question

find the sum of 5
X square + 5 x minus 6 and 4 x square minus x + 8​

Answer 1

Hello Friend

$5x {}^{2} + 5x - 6..........(1) \\ 4x {}^{2} - x + 8...........(2) \\ \\ add \: both \: equation \\ \\ = > 5x {}^{2} + 5x - 6 + 4x {}^{2} - x + 8 \\ = >5 x {}^{2} + 4x {}^{2} + 5x - x - 6 + 8 \\ = > 9x {}^{2} + 4x + 2$

I hope that helps you

Answer 2

Answer:  

9x²+4x+2

Step-by-step explanation:

⇒(5x²+5x-6) + (4x²-x+8)

=(5x²+4x²)+(5x-x)+(-6+8)

=9x²+4x+2