Solve
(×+2)(×+3)+(×-3)(×-2)-2×(×+1)=0
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Answer:
( x + 2) ( x+3) + ( x-3) ( x - 2 ) - 2x ( x+ 1 ) = 0
using identity ( x+ a) ( x+ b) = x^2 + ( a+b) x + ab
x^2 + (2+3) x + 2×3 + x^2 + ( -3-2) x + (-2×-3)-2x^2 -2x = 0
x^2 +5x +6 + x^2 -5x -6 -2x^2 -2x = 0
-2x = 0
x = 0/-2
x =0
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