What are the zeros of the function f(x)=(2x−1)(x+4)?m

In djkl, side jk measures 10.6 inches, side kl measures 7 inches, and side jl measures 5 inches. based on the information that is provided, which could be a correct set of angle measures for these sides? angle j = 23.2°, angle k = 33.5°, angle l = 23.2° angle j = 23.2°, angle k = 33.5°, angle l = 123.2° angle j = 123.2°, angle k = 23.2°, angle l = 33.5° angle j = 33.5°, angle k = 23.2°, angle l = 123.2°

We just started the introduction into circles and i have no idea how to do this.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1