Find the value of x

(5x+15) (6x-10)

What is the value of x? enter your answer in the box. (cm)

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1