What is factor (a^2+2a)/(2a+4) ?

The solution to factor (a^2+2a)/(2a+4) is a/2

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factor (a^2+2a)/(2a+4)

factor

\frac{a ^{2} + 2 a}{2 a + 4}

\frac{a}{2}

Solution steps

\frac{a ^{2} + 2 a}{2 a + 4}

Factor

a^{2} + 2 a : a (a + 2)

= \frac{a ( a + 2 )}{2 a + 4}

Factor

2 a + 4 : 2 (a + 2)

= \frac{a ( a + 2 )}{2 ( a + 2 )}

Cancel the common factor:

a + 2

= \frac{a}{2}

- 2 x + 2 + 1

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cos^{2} (x) + 6 cos (x) + 8