Answer :
The answer is 4x^2 +5x+9
You will first solve the same variables such as x^2
11x^2 - 7x^2 = 4x^2
now you will solve the variables with x
-3x +8x = 5x
so the answer you will get will be 4x^2 +5x = 9
You will first solve the same variables such as x^2
11x^2 - 7x^2 = 4x^2
now you will solve the variables with x
-3x +8x = 5x
so the answer you will get will be 4x^2 +5x = 9