SOLUTION: 78. (x/3+3/4)(3x/4-3/5)

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Question 54083This question is from textbook Beginning Algebra
: 78. (x/3+3/4)(3x/4-3/5)This question is from textbook Beginning Algebra

Answer by funmath(2873) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%2F3%2B3%2F4%29%283x%2F4-3%2F5%29
You need to distribute x/3 by everything in the second parenthesis and then multiply 3/4 by everything in the second parenthesis and then combine your like terms.
%28x%2A3x%29%2F%283%2A4%29%2B%28x%2A-3%29%2F%283%2A5%29%2B%283%2A3x%29%2F%284%2A4%29%2B%283%2A-3%29%2F%284%2A5%29
%283x%5E2%29%2F12%2B%28x%28-1%29%28cross%283%29%29%29%2F%28%28cross%283%29%295%29%2B%283%2F4%29%283x%2F4%29%2B%283%2F4%29%28-3%2F5%29%29
3x%5E2%2F12-x%2F5%2B9x%2F16-9%2F20
3x%5E2%2F12%2B%28-1%2F5%2B9%2F16%29x-9%2F20
3x%5E2%2F12%2B%28-16%2F80%2B45%2F80%29x-9%2F20
highlight%283x%5E2%2F12%2B29x%2F80-9%2F20%29
Happy calculating!!!
I hope this is better. If not let me know.