PROBLEM
Simplify the expression x2−44+x−23x+1.
STEP 1
Assumptions1. The expression to be simplified is x−44+x−3⋅x+1.
. We are allowed to use the algebraic rules of simplification.
STEP 2
We can simplify the expression by first factoring the denominator of the first term.
x2−4=(x−2)(x+2)So, the expression becomes(x−2)(x+2)4+x−2⋅x+1
STEP 3
Next, we can find a common denominator for the fractions. In this case, the common denominator is (x−2)(x+2).So, we rewrite each term with the common denominator(x−2)(x+2)+(x−2)(x+2)3⋅x⋅(x+2)+(x−2)(x+2)(x−2)(x+2)
STEP 4
Now, we simplify the numerators(x−2)(x+2)4+3x2+6x+x2−4
STEP 5
Combine like terms in the numerator(x−2)(x+2)4x2+x
SOLUTION
Factor out the common factor in the numerator(x−2)(x+2)2x(2x+3)This is the simplified form of the original expression.
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