By how much does a3 2a exceed a2 a 6
Asked by wiki @ in Mathematics viewed by 129 People
By how much does a^3 - 2a exceed a^2 + a - 6?
Asked by wiki @ in Mathematics viewed by 129 People
By how much does a^3 - 2a exceed a^2 + a - 6?
Answered by wiki @
Answer
a³ - a² - 3a + 6
Explanation
The equation requires you to subtract the two expressions.
(a³ - 2a) - (a² + a - 6)
In such an expression we subtract the like term only.
(a³ - 2a) - (a² + a - 6) = a³ - 2a - a² - a + 6
= a³ - a² -2a - a + 6
= a³ - a² - 3a + 6
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