Question

Solve the equation for x. If necessary, round your answer to two decimal places. Do not include "x =" in your answer.
x+7=sqrt16+3x+x^2

Answer 1

square both sides and solve
\[(x+7)^2=x^2+3x+16\]

Answer 2

that's the thing i need help on how to solve it. I got that part down

Answer 3

-3+7=sqrt16+3*-3+-3^2

Answer 4

-3+7=4
4=4+3*-3+-3^2
3*-3=-9
4=4+-9+-3^2
-3^2=9
4=4+-9+9
-9+9=0
4=4+0
4=4
so x=-3

Answer 5

ok thanks

Answer 6

welcome :)