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Question

Solve the given quadratic equation by factorisation method, 5x2+2x=35

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Solution

The given quadratic equation 5x2+2x=35 can be factorised as follows:

5x2+2x=355x2+2x35=05x2+5x3x35=05x(x+5)3(x+5)=0(5x3)=0,(x+5)=05x=3,x=5x=35,x=5

Hence, x=35 or x=5

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