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OpenStudy (anonymous):
y^2+2y-3=0
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OpenStudy (anonymous):
(Y-1)(y+3)
OpenStudy (anonymous):
Solution: y=1 and y=-3
OpenStudy (anonymous):
y^2+2y-3=0 (1)^2+2(1)-3=0 1+2-3=0 0=0
OpenStudy (anonymous):
Do the same thing for -3 and you'll get 0=0
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