What is expand (a^2+9x+20)/((a+4)(a+5)) ?

The solution to expand (a^2+9x+20)/((a+4)(a+5)) is (a^2+9x+20)/(a^2+9a+20)

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expand (a^2+9x+20)/((a+4)(a+5))

expand

\frac{a ^{2} + 9 x + 20}{( a + 4 ) ( a + 5 )}

\frac{a ^{2} + 9 x + 20}{a ^{2} + 9 a + 20}

Solution steps

\frac{a ^{2} + 9 x + 20}{( a + 4 ) ( a + 5 )}

Expand

(a + 4) (a + 5) : a^{2} + 9 a + 20

= \frac{a ^{2} + 9 x + 20}{a ^{2} + 9 a + 20}

(x - 13 + 3 i) (x - 13 - 3 i)

(x^{2} + 4)^{2} \cdot (\frac{x - 1}{2})

\frac{1}{( 1 - x ^{2} ) ^{3}}

\frac{x ^{2} + 6 x + 5}{( x - 1 ) ( 2 x + 1 )}

\frac{9 ( 253 + 64018 )}{2}

What is expand (a^2+9x+20)/((a+4)(a+5)) ?
The solution to expand (a^2+9x+20)/((a+4)(a+5)) is (a^2+9x+20)/(a^2+9a+20)