Question

Subtract 5x²-8x+6from the sum of 3x²-4x+2 and 7-5x²-6x.​

Answer 1

sum of 3x^2 - 4x+2 and 7 - 5x^2 -6x = 3x^2 - 4x +2 +7 - 5x^2 - 6x = 2x - 2x^2 + 9

required answer= (2x - 2x^2 +9) - (5x^2 - 8x +6) = 2x -2x^2 +9 -5x^2 +8x -6 = 10x -7x^2 +3

hope my answer helps you!