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Question

Solve each of the following equations by using the method of completing the square:
2x2+5x3=0

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Solution

2x2+5x3=02x2+5x=3x2+52x=32x2+52x+(54)2=32+(54)2(x+52)2=32+254=12+508=628=314x+52=314=±312x=±31252x=31252 or 31252x=3152 or 3152


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