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Popular >

simplify (m+7)/(m^2+4m-21)

Solution

simplify

\frac{m + 7}{m ^{2} + 4 m - 21}

Solution

\frac{1}{m - 3}

Solution steps

\frac{m + 7}{m ^{2} + 4 m - 21}

Factor

m^{2} + 4 m - 21 : (m - 3) (m + 7)

= \frac{m + 7}{( m - 3 ) ( m + 7 )}

Cancel the common factor:

m + 7

= \frac{1}{m - 3}

Popular Examples

|x|-|x-1|+|x+2|>= 0

∣ x ∣ - ∣ x - 1 ∣ + ∣ x + 2 ∣ \geq 0

simplify sqrt(6)*sqrt(15)simplify

6 \cdot 15

simplify (5+sqrt(7))^2 simplify

(5 + 7)^{2}

\frac{5 - 2}{7} > 7

h^{2} - 7 h - 8 = 0

Frequently Asked Questions (FAQ)

What is (m+7)/(m^2+4m-21) ?
The solution to (m+7)/(m^2+4m-21) is 1/(m-3)