SOLUTION: 6) Evaluate 2x3y – 5xy2 +5xy + 3y – 4 for x = -2 & y = +3 7) Simplify (12x3y3 – 5x2 + 3y2) – (4x3y3 + 6x2y – 3x2 + 5) 8) Simplify ((-8a-1b-3)/(2a3b))-

Algebra ->  Expressions -> SOLUTION: 6) Evaluate 2x3y – 5xy2 +5xy + 3y – 4 for x = -2 & y = +3 7) Simplify (12x3y3 – 5x2 + 3y2) – (4x3y3 + 6x2y – 3x2 + 5) 8) Simplify ((-8a-1b-3)/(2a3b))-      Log On


   

Question 175805: 6) Evaluate 2x3y – 5xy2 +5xy + 3y – 4 for x = -2 & y = +3

7) Simplify (12x3y3 – 5x2 + 3y2) – (4x3y3 + 6x2y – 3x2 + 5)

8) Simplify ((-8a-1b-3)/(2a3b))-2

help pleaseeeeeeeeeeeeeeeee!!!
Answer by EMStelley(208) About Me  (Show Source):
You can put this solution on YOUR website!
I will help you with #6.
2x%5E3y-5xy%5E2%2B5xy%2B3y-4 evaluated at x=-2 and y=3
2%28-2%29%5E3%283%29-5%28-2%29%283%29%5E2%2B5%28-2%29%283%29%2B3%283%29-4
2%28-8%29%283%29-5%28-2%29%289%29-30%2B9-4
-48%2B90-30%2B9-4=17