SOLUTION: x^2-4x+9 in a+bi form

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Question 882422: x^2-4x+9 in a+bi form
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-4x+9 = 0 Format ax^2 + bx + c = 0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x+=+%284+%2B-+sqrt%28+16-36+%29%29%2F%282%29+
x+=+%284+%2B-+sqrt%28+-20+%29%29%2F%282%29+
x+=+%284+%2B-+sqrt%28+-1%2A4%2A5+%29%29%2F%282%29+
x+=+%284+%2B-+2isqrt%285+%29%29%2F%282%29+
x = 2 ± i√5