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OpenStudy (anonymous):
x^2+10x=-2
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OpenStudy (anonymous):
I'm suppose ti find out what number to add to both sides
OpenStudy (anonymous):
aadd (5)^2 to both sides and try to complete the squares the easy way to look which numer shall be added is look at the x term then add square of the half of it here coefficient of x is 10 so its half will be 10/2=5 add (5)^2=25 on both sides .
OpenStudy (anonymous):
oh okay, thank you.
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