how to find the nature roots of quadritic equation of x+3 square+4x+7
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D = b2 - 4ac
D = (4)2 - 4 × ( 1 + 3 ) 7
D= 16 - 4 × 28
D = 16 - 112
D = - 96
Therefore D is in negtive
so it has no real roots.
D = (4)2 - 4 × ( 1 + 3 ) 7
D= 16 - 4 × 28
D = 16 - 112
D = - 96
Therefore D is in negtive
so it has no real roots.
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