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OpenStudy (anonymous):
does anyone know how to solve -4√(x+9)=20?
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OpenStudy (anonymous):
divide -4 on both sides, the square both sides
OpenStudy (anonymous):
ok thanks :]
OpenStudy (anonymous):
for this one, it's no solution
OpenStudy (anonymous):
since the square root function is above the x-axis
OpenStudy (anonymous):
yeah i see that :(
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OpenStudy (anonymous):
wait i did it again how come x isnt 16
OpenStudy (anonymous):
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