SOLUTION: multiply: (x/3+3/4)(3x/4-3/5)

Question 66063: multiply:
(x/3+3/4)(3x/4-3/5)
Answer by algebrapro18(249) (Show Source): You can put this solution on YOUR website!
(x/3+3/4)(3x/4-3/5)
=(x/3)(3x/4)+(x/3)(-3/5)+(3/4)(3x/4)+(3/4)(-3/5)
=3x^2/12 - 3x/15 + 9x/4 - 9/20
=x^2/4 -x/5 + 9x/4 - 9/20
=[(x^2+9x)/4]+(-5x-9)/20]
=[5(x^2+9x)-5x-9]/20
=[5x^2+45x-5x-9]/20
=(5x^2+40x-9)/20
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