Determine the nature of the roots of the quadratic equations
x square +10x+21=0
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Answer:
Real and unequal
Step-by-step explanation:
x2+10x+21=0
x2+7x+3x+21=0
x(x+7)+3(x+7)=0
(x+7)(x+3)=0
Either x=-7 or x=-3
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