3x2-8x-11 =o by quadratic formula
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3x²-8x-11=0
a=3 b=-8 c=-11
By quadratuc formula,
x=[-b±√D]/2a
where D=b²-4ac
D=(-8)²-4*3*(-11)=64+132=196
x=[8±√196]/2*3
x=[8±14]/6
x=(8+14)/6 or x=(8-14)/6
x=11/3 or x=-1
a=3 b=-8 c=-11
By quadratuc formula,
x=[-b±√D]/2a
where D=b²-4ac
D=(-8)²-4*3*(-11)=64+132=196
x=[8±√196]/2*3
x=[8±14]/6
x=(8+14)/6 or x=(8-14)/6
x=11/3 or x=-1
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yes you can
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this is the correct answer
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method wrong
aanswer correct
Yes it is correct by factorization method , which is easy as compared to quadratic formula in this case ,where coefficients are simple
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