If 2 is subtracted from twice a number, the result is 50. what is the number

Trigonometry hellllllpppppppp asap

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y