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Mathematics 8 Online
OpenStudy (anonymous):

does anyone know how to solve -4√(x+9)=20?

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 :(

OpenStudy (anonymous):

wait i did it again how come x isnt 16

OpenStudy (anonymous):

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