Question

Find the sum of 7x - 10 and 2x^2- 4x+ 9​

Answer 1

Given:-

$7x-10 \: \: and \: \: \: 2x^2-4x+9$

Solution:-

$7x-10 + 2x^2-4x+9$

$= 2x{}^{2} + 7x - 4x - 10 + 9$

$= 2 {x}^{2} + 3x - 1$