SOLUTION: 1. (4a^3+2b)(5a-3b^2)= 2. (16x^2+50x-21)/(2x+7)= 3. 9(x+4)=2(5x-3) What does x=? 4. 5&1/3x-15=7x+15 What does x=? Thank you for any help.

Algebra ->  Functions -> SOLUTION: 1. (4a^3+2b)(5a-3b^2)= 2. (16x^2+50x-21)/(2x+7)= 3. 9(x+4)=2(5x-3) What does x=? 4. 5&1/3x-15=7x+15 What does x=? Thank you for any help.      Log On


   

Question 572274: 1. (4a^3+2b)(5a-3b^2)=
2. (16x^2+50x-21)/(2x+7)=
3. 9(x+4)=2(5x-3) What does x=?
4. 5&1/3x-15=7x+15 What does x=?
Thank you for any help.
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
1.
2. %2816x%5E2%2B50x-21%29%2F%282x%2B7%29=%28%288x-3%29%282x%2B7%29%29%2F%282x%2B7%29=8x-3
3. 9%28x%2B4%29=2%285x-3%29 Open the brackets
9x%2B36=10x-6
9x-10x=-6-36%7D%7D%0D%0A%7B%7B%7B-x=-42%7D%7D+divide+by+%28-1%29%0D%0A%7B%7B%7Bx=42