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Someone please help me I’m not good in math
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4 votes
Someone please help me I’m not good in math

Someone please help me I’m not good in math-example-1
User Divesh Salian
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1 Answer

2 votes
The missing factor is (a -1) I believe. If you foil (5a + 9)(a - 1) you would get 5a^2 + 4a - 9.
User Flyingfox
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