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Question

Solve the following equations:
x2+12x203x5=x2+8x+122x+3

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Solution

x2+10x+2x103x5=x2+6x+2x+122x+3(x+10)(x+2)(3x5)=(x+6)(x+2)2x+3(x+2)0(x+10)(2x+3)=(x+6)(3x5)2x2+3x+20x+30=3x25x+18x303x2+13x30=2x2+23x+30x2+10x60=0x=5±85

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