1.

Solve \( (2 x+1)^{2}-(3 x+2)^{2}=0 \)

Answer»

(4x2 +1+4x )- (9x +4+12x)=0

4x2 +1+4x - 9x- 4-12x=0

-(-5x2 -8x - 3)=0

5x
 +8x+3=0

5x2 +5x+3x+3=0

5x(x+1)+3x(x+1)=0

(x+1)(5x+3x)=0

x=-1, x=0







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