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Question

Solve the following quadratic equations by factorization method: [2 MARKS]

3x2+10x+73=0

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Solution

Concept : 1 Mark
Application : 1 Mark

3x2+10x+73=0

3x2+3x+7x+73=0

3x(x+3)+7(x+3)=0

(x+3)(3x+7)=0

x+3=0, or 3x+7=0

x=3 or x=73

Thus, x=3 and x=73 are the two roots of the given equation.

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