化简 ((20x^{10}))/((5x^8))

解答

化简

\frac{( 20 x ^{10} )}{( 5 x ^{8} )}

4 x^{2}

求解步骤

\frac{20 x ^{10}}{5 x ^{8}}

因式分解数字:

20 = 5 \cdot 4

= \frac{5 \cdot 4 x ^{10}}{5 x ^{8}}

约分:

5

= \frac{4 x ^{10}}{x ^{8}}

化简

\frac{x ^{10}}{x ^{8}} : x^{2}

= 4 x^{2}

e x p an d (5 x^{2} - 3 x)^{4}

s im pl i f y l^{- 1} \cdot {lo g_{10} (\frac{( s ^{2} - a ^{2} )}{( s ^{2} )})}

s im pl i f y 2 lo g_{10} (n^{n})

e x p an d (3 p - 4 q)^{3}

s im pl i f y \frac{101}{2} \times \frac{13}{7} \times \frac{42}{5}