2x4x5+6+7+4 A. 57 B. 26 C. 89 D. 14
2 answers:
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It's not entirely clear to me what you're trying to solve, but it looks like the initial equation is
First convert each term into a fraction with the same (i.e. the least common) denominator. The first term needs to be multiplied by <em>a</em> + 2; the second term by (<em>a</em> + 3) (<em>a</em> + 2); and the third term by <em>a</em> + 3 :
Now that everything has the same denominator, we can combine the fractions into one. Move every term to one side and join the numerators:
Simplify the numerator:
If neither <em>a</em> = -3 nor <em>a</em> = -2, we can ignore the denominator:
Solve for <em>a</em> :