SOLUTION: Math is my weakest subject and I really need help: 1) (8x² + 5x –3) + (12x² +7x –14) 2) (4x³+5x+13) + (-4x²+22) 3) (3x²-8x-2) - (11x²+5x+4) 4) (5y³+y²-3y

Algebra ->  Expressions -> SOLUTION: Math is my weakest subject and I really need help: 1) (8x² + 5x –3) + (12x² +7x –14) 2) (4x³+5x+13) + (-4x²+22) 3) (3x²-8x-2) - (11x²+5x+4) 4) (5y³+y²-3y      Log On


   

Question 175185: Math is my weakest subject and I really need help:
1) (8x² + 5x –3) + (12x² +7x –14)

2) (4x³+5x+13) + (-4x²+22)

3) (3x²-8x-2) - (11x²+5x+4)

4) (5y³+y²-3y-8) - (y²-8y+11)

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
there is nothing to solve in these problems for they are just expressions. We are simply looking to combine all like terms while we carry out the given operations within those terms
:
1. 8x%5E2%2B5x-3%2B12x%5E2%2B7x-14=highlight%2820x%5E2%2B12x-17%29
:
2. 4x%5E3%2B5x%2B13-4x%5E2%2B22=highlight%284x%5E3-4x%5E2%2B5x%2B35%29
:
3. 3x%5E2-8x-2-11x%5E2-5x-4=highlight%28-8x%5E2-19x-6%29
:
4. %285y%5E3%2By%5E2-3y-8-y%5E2%2B8y-11%29=highlight%285y%5E3%2B5y-19%29