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Question

Solve:
2x2+3(122)x6=0.

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Solution

2x2+3x+26x6=02x2+x(326)6=0x=b±b24ac2aa=2,b=(326),c=6b24ac=3+24122+242=(3+26)2x=(326)±(3+26)22
Take positive,x=23
and take negative,x=32

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