Algebra 1 question

Question

x(x-12)-380.16

Answer 1

= x^2 -12x - 380.16

if that's set = 0

then

x^2 -12x -380.16 = 0

solve for x with factoring, complete the square, quadratic formula or graphing

x^2 -12x +36 = 380.16+36 = 416.16

(x-6)^2 = 416.16

x = 6 +/-sqr416.16 = 6+/-20.4

x= 26.4 or -14.4

x^2 -12x-380.16 factors into (x-26.4)(x+14.4)

if you graph it the x intercepts are the solutions for x