how to solve this without using the formula?
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hello friends.....
we can solve it without using formula
by using completing square method
let us solve this question
x² + 2x + 3
= x² + 2x +1² +3 -1² (add & subtract 1²)
= (x+1)² +2 = 0
=> (x+1)² = -2
=> x+1 = √-2 = i√2
=> x= √2 i -1 answer
♥♥ hope it helps ♥♥
we can solve it without using formula
by using completing square method
let us solve this question
x² + 2x + 3
= x² + 2x +1² +3 -1² (add & subtract 1²)
= (x+1)² +2 = 0
=> (x+1)² = -2
=> x+1 = √-2 = i√2
=> x= √2 i -1 answer
♥♥ hope it helps ♥♥
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