solve the equation by factorization- 2x 2 +ax-a 2 =0
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you can solve it by this way
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-thank you :)
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=2x^2 + 2ax -ax - a^2=0
=2x(x+ a) - a(x + a) = 0
=( x + a)(2x - a)=0
either
x+a =0
x= - a
or
2x-a = 0
x= a/2
=2x(x+ a) - a(x + a) = 0
=( x + a)(2x - a)=0
either
x+a =0
x= - a
or
2x-a = 0
x= a/2
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