Answer:
15x + 2x can be written as 17x
Answer:
-7±3√6
Step-by-step explanation:
The value of x can be found using the sine function.
sin 30 = x/8
8 (sin 30) = x
4 = x
Answer:
here this should help you understand.
Step-by-step explanation:
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratic-functions-equations/x2f8bb11595b61c86:completing-square-quadratics/v/completing-the-square-to-solve-quadratic-equations