amd7655 amd7655

22-12-2016
Mathematics

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What is the simplified form of (x + 7) /6 − (x + 5)/ (x + 3) ?

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Lika1558 Lika1558

22-12-2016

multiply and divide by 6(x+3)
( (x+7)(x+3) - 6(x+5) ) / (6(x+3))
= ( x^2+10x+21 -6x-30) / (6(x+3))
= (x^2+4x-9) / (6(x+3))

the quantity of x squared plus 4x minus 9, all over 6 times the quantity of x plus 3

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