determine whether the value of given against each of quadratic equation are roots of equation.x²+5x-14 =0,x= in root 2,-7
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3
Answer:
Given equation x
2
+5x−14=0 can be simplified as
x
2
+7x−2x−14=0
⇒(x+7)(x−2)=0
⇒x=2 or x=−7
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