39=7u+5(u+5)

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Solution for 39=7u+5(u+5) equation: 



39=7u+5(u+5)

We move all terms to the left:

39-(7u+5(u+5))=0



We calculate terms in parentheses: -(7u+5(u+5)), so:

7u+5(u+5)

We multiply parentheses

7u+5u+25

We add all the numbers together, and all the variables

12u+25

Back to the equation:

-(12u+25)



We get rid of parentheses

-12u-25+39=0

We add all the numbers together, and all the variables

-12u+14=0

We move all terms containing u to the left, all other terms to the right

-12u=-14

u=-14/-12

u=1+1/6

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