Factorise the polynomial =x2+6x+11.
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here a=1, b=6 and c=11
so,
x=-b±√(b²-4ac)/2a
x=-6±√(36-44)/2
x=-6±√-8/2
x=-6±√8i/2
x=-3±√2i
so,
x=-3-√2i or x=-3+2i
so,
x=-b±√(b²-4ac)/2a
x=-6±√(36-44)/2
x=-6±√-8/2
x=-6±√8i/2
x=-3±√2i
so,
x=-3-√2i or x=-3+2i
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