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Mamont248 [21]
3 years ago
14

Simply the expression given below. x^2+x-2/x^3-x^2+2x-2

Mathematics
2 answers:
puteri [66]3 years ago
6 0

Answer:

Step-by-step explanation:

(x-1)(x+2)/x^2(x-1)+2(x-1)

(x-1)(x+2)/(x-1)(x^2+2)

(x+2)/(x^2+2)

MissTica3 years ago
4 0

Answer:

\frac{(x+2)}{(x^2+2)}

Step-by-step explanation:

\frac{x^2+x-2}{x^3-x^2+2x-2}

To simplify the given expression , factor both numerator and denominator

Numerator : x^2+x-2

Product is -2 and sum is +1. factors are 2 and -1

x^2+x-2=(x+2)(x-1)

Denominator : x^3-x^2+2x-2

Group first two terms and last two terms

Factor out GCF from each term

(x^3-x^2)+(2x-2)

x^2(x-1)+2(x-1)

(x^2+2)(x-1)

Replace the factors in the given expression

\frac{(x+2)(x-1)}{(x^2+2)(x-1)}

Cancel out x-1 at the top and bottom

\frac{(x+2)}{(x^2+2)}

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