Answer:
(b^2 + 8b - 9) - (11b^2 + 4b -7)
b^2 + 8b - 9 - 11b^2 - 4b + 7
- 10b^2 + 12b -16
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The solution to the problem is -10b²+12b-16.
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.
Subtract 11b^2-4b+7 from b^2+8b-9
(b^2+8b-9) - (11b^2-4b+7) = ?
[tex](b^2+8b-9) - (11b^2-4b+7)\\= b^2+8b-9 - 11b^2+4b-7\\[/tex]
Rearranging
[tex]= b^2+8b-9 - 11b^2+4b-7\\= b^2 - 11b^2+8b+4b-9-7\\= -10b^2 +12b-16[/tex]
Hence, the solution to the problem is -10b²+12b-16.
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