SOLUTION: (8x (x to the 2 power) + 8x-2)-(8x (x to 2nd power) +5) = 6x+2. Can you explain..pretty new with computer and math. Going back to school. Im stumped..please help

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: (8x (x to the 2 power) + 8x-2)-(8x (x to 2nd power) +5) = 6x+2. Can you explain..pretty new with computer and math. Going back to school. Im stumped..please help      Log On


   

Question 61129: (8x (x to the 2 power) + 8x-2)-(8x (x to 2nd power) +5) = 6x+2. Can you explain..pretty new with computer and math. Going back to school. Im stumped..please help
Found 3 solutions by stanbon, funmath, tutorcecilia:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(8x (x to the 2 power) + 8x-2)-(8x (x to 2nd power) +5) = 6x+2.
(8x^2+8x-2) - (8x^2+5 )= 6x+2
8x^2-8x^2+8x-2-5=6x+2
8x-7=6x+2
2x=9
x=9/2
Cheers,
Stan H.

Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
%288%5E2%2B8x-2%29-%288x%5E2%2B5%29=6x%2B2 Clear the parentheses on the left.
8x%5E2%2B8x-2-8x%5E2-5=6x%2B2 Combine like terms on the left.
8x%5E2-8x%5E2%2B8x-2-5=6x%2B2
0%2B8x-7=6x%2B2
8x-7=6x%2B2 Subtract 6x from both sides to get all your x's on the left.
8x-6x-7=6x-6x%2B2
2x-7=0%2B2
2x-7=2 Add 7 to both sides.
2x-7%2B7=2%2B7
2x%2B0=9
2x=9 Divide both sides by 2
2x%2F2=9%2F2
highlight%28x=9%2F2%29
Happy Calculating!!!

Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%288x%5E2+%2B+8x-2%29-%288x%5E2%2B5%29+=+6x%2B2%29[remove the parenthesis and change the signes wherever necessary]
%288x%5E2+%2B+8x-2-8x%5E2-5%29+=+6x%2B2%29[combine like-terms]
8x-2-5 = 6x+2
8x-7 = 6x+2[isolate the x]
8x-7+7 = 6x+2+7 [isolate the x]
8x = 6x+9
8x-6x = 6x-6x+9
2x = 9
2x/2=9/2
x=9/2