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Mathematics 20 Online
OpenStudy (anonymous):

solve... √(5-b)=b√(5-b) I just dont understand how to do it...

OpenStudy (anonymous):

b=1

OpenStudy (anonymous):

how?

OpenStudy (anonymous):

b can be 5 too

OpenStudy (anonymous):

how do you get it?

OpenStudy (anonymous):

square both the side, then make rhs 0 after facorising, u will get b=5, 1, -1 -1 can not be taken into account. so, b=1,5

OpenStudy (anonymous):

rhs?

OpenStudy (anonymous):

right hand side

OpenStudy (anonymous):

im still confused on this one because i keep getting a b^3

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