Q 1: (7x^{2}+9x)+(3x+9) = _____? 6x^{2}+12x+9 5x^{2}+11x+12 9x^{2}+11x+9 7x^{2}+12x+9

Q 2: (3x^{2}+7x+2)+(2x^{2}+3x) = _____? 5x^{2}+10x+2 3x^{2}+10x+2 x^{2}+2x+3 2x^{2}+5x+2

Q 3: (15x+9)+(5x^{2}+3) = _____? 5x^{2}+15x+12 4x^{3}+5x+12 8x^{2}+12x+5 4x^{2}+5x+12

Q 4: (7x^{2}+3)+(3x^{2}+2x) = _____? 5x^{2}+3x+2 2x^{2}+3x+5 11x^{2}+2x+3 10x^{2}+2x+3

Q 5: (9x^{2}+3)+(2x+4) = _____? 9x^{2}+2x+7 7x^{2}+8x+9 8x^{2}+2x+7 6x^{2}+9x+8

Q 6: (3x^{3}+7x+9)+(3x^{2}+7x+2) = _____? 3x^{3}+3x^{2}+14x+11 3x^{2}+5x^{3}+11x+9 3x^{2}+5x^{2}+11x+11 2x^{2}+4x^{2}+14x+9

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

