(-2,-6) because when factored the values of x are -2,-6
<span>x² + 8x + 12 = 0
(x+6)(x+2)=0
x+6=0
----> x=-6
x+2=0
----> x=-2</span>
Answer: x=158
Explain: 3 triangle corners = 180
180-90-68 = 22
Flat corner = 180
=> x=180-22=158
One ticket costs $24.50 - $19 more for evening
Six tickets cost 6 ( $24.50 - $19 ) more
Answer: 6 ( $24.50 - $19 )
Problem 18 is D by the way