Atriangle has angles that measure x, x+10, x+20. find the measure of the angles

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.

Solve for the equation x. 2x + 22 = 4(x + 3)