Question

Solve for .

Answer 1

solve for u

Answer 2

bring everything on one side of = sign

Answer 3

how??

Answer 4

add 13u+6 on both sides

Answer 5

\(5u^2+13u+6=0\)
ok?
can u factor this quadratic ?

Answer 6

no

Answer 7

split the middle term as
\(5u^2+10u+3u+6=0 \\ 5u(u+2)+3(u+2)=0\)
can u solve further?

Answer 8

no please help

Answer 9

\((5u+3)(u+2)=0 \\5u+3=0 \quad or \quad u+2=0 \\u=-3/5,-2\)
got this ?

Answer 10

is this right