x^2 + 10x - 10 find x ?
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Answer:
0............we need find by subtract..
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Using quadratic formula
X=-b+or- root D/2a
D= b^2-4ac
=100+40= 140
X=-10 + or- root 140/ 2
-10 + or - 2root 35/2
X=-10 +root 35 and -10- root 35
X=-b+or- root D/2a
D= b^2-4ac
=100+40= 140
X=-10 + or- root 140/ 2
-10 + or - 2root 35/2
X=-10 +root 35 and -10- root 35
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