solve the following equation by factorisation 9 X square + 6 X + 1 is equals to zero
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Answer:
9x^2+6x+1=0
9x^2+3x+3x+1=0(we have to multiply last and first value and then make pairs whose sum is equal to mid value)
Take common value=
3x(3x+1)+1(3x+1)=0
(3x+1)(3x+1)=0
Both value are same so we will solve it once
3x+1=0
3x=(-1)
x= -1/3
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