technicalspunky technicalspunky

01-01-2024
Mathematics

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find the value of a if x+1

2x²+4x+9a

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ayoush2024 ayoush2024

01-01-2024

First you’d plug in 1 in place of x:
2(1)^2+4(1)+9a=0
When simplified the equation looks like:
6+9a=0
We want to move 6 to the other side so the equation looks like this:
9a=-6
Now divide by 9 on both sides:
a= -6/9= -2/3

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