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Question
Simplify the following
`(4ab^2(-5ab^3))/(10a^2b^2)`
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Solution
`(4ab^2(-5ab^3))/(10a^2b^2)`
`=(4xxaxxb^2xx(-5)xxaxxb^3)/(10a^2b^2)`
`=(-20xxa^1xxa^1xxb^2xxb^3)/(10a^2b^2)`
`=(-20xxa^(1+1)xxb^(2+3))/(10a^2b^2)`
`=-2xxa^2xxb^5xxa^-2xxb^-2`
`=-2xxa^(2+(-2))xxb^(5+(-2))`
`=-2xxa^0xxb^3`
`=-2b^3`
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