7 Find the roots of the quadratic equation x -3x - 10 = 0 by factorization method
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Answer:
Factorise:x
2
+ 7x + 10 =0
ANSWER
x
2
+7x+10=0
x
2
+5x+2x+10=0
x(x+5)+2(x+5)=0
(x+5)(x+2)=0
x=−5,−2
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