(x+3)(x-4)=? plz ans me
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(x+3)(x-4)
identity =( x+a )(x+b) = x² + (a+b)×x+ ab
x=x, a = 3, b= -4
x²+(3+(-4))x+3×-4
x² -1x+(-12)
x²-x-12
here is your answer
have a great day dear
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