Question

Please simplify thank you :)

Answer 1

Combine like terms.

$2 {x}^{2} + 8 {x}^{2} = 10 {x}^{2}$

$x + 7x = 8x$

$4 + ( - 3) = 1$

So, the answer would be

$10 {x}^{2} + 8x + 1$