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Question

5x(x+2)=3

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Solution

5x(x+2)=3
5x(x)+5x(2)=3
5x2+10x=3
5x2+10x3=0
Here,
a=5,b=10,c=3
Now, by quadratic formula, we have
x=10±(10)2(4×(5)×(3))2×5
x=10±100+6010
x=10±41010
x=5±2105
Hence for the given expression,
x=5±2105.

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