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OpenStudy (anonymous):
this one is complicated... x^2+2x-14=10. completing the square.
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OpenStudy (anonymous):
and solve.
OpenStudy (anonymous):
(x+6)(x-2)=0 x=-6,2
OpenStudy (anonymous):
add 25: then x^2+2x+1=(x+1)^2
OpenStudy (anonymous):
yah you are right add 25
OpenStudy (anonymous):
x= -6 and 4?
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OpenStudy (anonymous):
s x=-6,4 sorry for typing mistake
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