Step-by-step explanation:
Option → C
Answer:
3x(2x^2-4x+1)
Step-by-step explanation:
distribute everything in the () with 6x
6x^3-12x^2+3x
divide all by 3x
3x(2x^2-4x+1)
#1 is 180-72= 108, c.
#2 is vertical angles
Answer:4
Step-by-step explanation:
Answer:
m∠ABD = 126°
Step-by-step explanation:
if both angles make a linear pair then their sum equals to 180°
you can solve for x
m∠ABD + m∠CBD = 180
6x-12 + x+31= 180
7x + 19 = 180
7x = 161
x=23; now solve for
m∠ABD = 6x - 12 = 6(23) - 12 = 126°