Answer:
-13x + 11
Step-by-step explanation:
(-10x3 + 15x2 - 5x - 10) + (8x3 + 12x2 - 8x - 27) Solve inside
-10*3=-30
15*2=30
8*3=24
12*2=24
(-30 + 30 -5x -10) + (24 + 24 -8x -27)
24 + 24 = 48 - 27 = 21
(-5x - 10) + (-8x + 21) Collect like terms
-13x + 11
Is this right?
