Maths-
General
Easy

Question

Reduce the following rational expressions to their lowest terms
fraction numerator 8 x to the power of 5 minus 8 x over denominator open parentheses 3 x squared plus 3 close parentheses left parenthesis 4 x plus 4 right parenthesis end fraction

hintHint:

The expansions of certain identities are:
open parentheses x squared minus a squared close parentheses equals left parenthesis x plus a right parenthesis left parenthesis x minus a right parenthesis
left parenthesis x plus a right parenthesis left parenthesis x plus b right parenthesis equals x squared plus left parenthesis a plus b right parenthesis x plus a b
We are asked to reduce the given expression into their lowest terms.

The correct answer is: the simplified expression is = 2x(x - 1)/3.


    Step 1 of 1:
    Simplify the expression and cancel out the common factors;
    fraction numerator 8 x to the power of 5 minus 8 x over denominator open parentheses 3 x squared plus 3 close parentheses left parenthesis 4 x plus 4 right parenthesis end fraction equals fraction numerator 8 x open parentheses x to the power of 4 minus 1 close parentheses over denominator 3 open parentheses x squared plus 1 close parentheses 4 left parenthesis x plus 1 right parenthesis end fraction
                                          equals fraction numerator 8 x open parentheses open parentheses x squared close parentheses squared minus 1 squared close parentheses over denominator 3 open parentheses x squared plus 1 close parentheses 4 left parenthesis x plus 1 right parenthesis end fraction
    equals fraction numerator 8 x open parentheses x squared minus 1 close parentheses open parentheses x squared plus 1 close parentheses over denominator 3 open parentheses x squared plus 1 close parentheses 4 left parenthesis x plus 1 right parenthesis end fraction
    equals fraction numerator 8 x left parenthesis x minus 1 right parenthesis left parenthesis x plus 1 right parenthesis open parentheses x squared plus 1 close parentheses over denominator 3 open parentheses x squared plus 1 close parentheses 4 left parenthesis x plus 1 right parenthesis end fraction
    equals fraction numerator 8 x left parenthesis x minus 1 right parenthesis over denominator 12 end fraction
    equals fraction numerator 2 x left parenthesis x minus 1 right parenthesis over denominator 3 end fraction
    Hence, the simplified expression is equals fraction numerator 2 x left parenthesis x minus 1 right parenthesis over denominator 3 end fraction.

    simplify means to make it simple. In mathematics, simplify is the reduction of an expression/fraction into irreducible forms.

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