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Question
For solving the quadratic equations `"x"^2 + 8"x" =-15` by completing the square method, find the third term.
Sum
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Solution
`"x"^2 + 8"x" =-15`
Third term = `[1/2 xx "coefficient of x"]^2`
= `[1/2 xx (8)]^2`
= `4^2`
= 16
Third term = 16
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