Find the nature of roots of the quadratic equation 4x^2+12x+9=0
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Since D > 0, therefore, roots of the given equation are real and unequal.
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Answer:
4x^2+6x+6x+9=0
2x(2x+3)+3(2x+3)=0
2x+3=0,2x+3=0
x=-3/2,x=-3/2
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