Q.19) Solve the quadratic equation
2x(x-24)=50 by factorisation method
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Answer:
Explanation:
2x^2-48x-50 = 0
Factors of 100 whose difference is -48
2x^2-(50-2)x-50 = 0
2x^2-50x+2x-50 = 0
2x(x-25)+2(x-25) = 0
(x-25)(2x+2) = 0
Therefore,
x=25 and x=-1
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