using completing the square method ,show that the equation x² — 8x + 18 = 0 has no solution.
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x²-8x=-18
third term = ½×coefficient of x
=½×8
=4
x²-8x+4= -18+4
(x-2)²=14
x-2=±√14
x-2=√14 or x-2=-√14
x=2+√14 or x=2-√14
third term = ½×coefficient of x
=½×8
=4
x²-8x+4= -18+4
(x-2)²=14
x-2=±√14
x-2=√14 or x-2=-√14
x=2+√14 or x=2-√14
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