Posted by
**Anonymous** on
.

(3+7x)-(16x2+15x2)

(3+1x)-(12x+16+0+18x2)

Q4: (15+13x2+14x2)+(13x+18x)

Q5: (2x2+1+15x2+7+3)+(0x+17x)

Q6: (18x+3)+(17x2+1x2+9+8+0x)

Q7: (6x + 14) - (9x + 5)

Q8: (14x2 + 13x + 12) - (7x2 + 20x + 4)

Q9: Subtract -10x2 + 16x - 15 from -6x2 + 19x + 19

Q10: From 19x2 + 11x + 15 subtract -5x2 - 6x - 6

: (-18x2 + 4x - 16) - (15x2 + 4x - 13)

Q12: [(6x + 10) - (17x + 10)] + [10x (4x + 2)]

Q13: [(20x2 - 17x + 8) - (-7x2 + 17x + 8)] + [(-8x + 1) (-4x)]

Q14: [(8) (5x2 + 7x + 6)] + [(-17x + 13) (19x + 9)]

Q15: [(4x + 11) (12x - 11)] + [(-8x2 - 8x - 9) + (-8x2 - 7x + 6)]