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Question

Solve the following quadratic equation by factorization.
2x2+axa2=0

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Solution

product of 2 and -a^2= -2a^2
which can be written as 2a x (-a)
2a -a = a

2 x squared plus a x minus a squared equals 0 2 x squared plus 2 a x minus a x minus a squared equals 0 2 x left parenthesis x plus a right parenthesis minus a left parenthesis x plus a right parenthesis equals 0 left parenthesis 2 x minus a right parenthesis left parenthesis x plus a right parenthesis equals 0 x equals a over 2 comma negative a

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