Question

solve it fast its urgent and I will mark as brainliest
Q7

Answer 1

Answer is in picture. Please mark as brainliest.

Answer 2

$first \: term \\ \\ {3x}^{2} - 5x + 2 + ( - {5x}^{2} - 8x + 6) \\ {3x}^{2} - 5x + 2 - {5x}^{2} - 8x + 6 \\ {3x}^{2} - {5x }^{2} - 5x - 8x + 6 + 2 \\ - {2x}^{2} - 13x + 8 \\ \\ second \: term \\ \\ - {2x}^{2} - 13x + 8 - {4x}^{2} + 9x - 7 \\ - {2x}^{2} - {4x}^{2} - 13x - 9x + 8 - 7 \\ - {6x}^{2} - 4x+ 1$