Answer:
x= 5/2, x= -3
4x^2+2x-30=0; Factor that without the 0. Then you get 2 (2x-5) (x+3)=0.
2x-5=0 x= 5/2
x+3=0 x= -3
Hope this helps! :D
Answer:
60
Step-by-step explanation:
ABC is OBC:30
180-90-30=60
6x -19 + 3x + 10 = 180
9x -9 = 180
9x = 189
x = 21
The answers are (-3, -4) and (-5, -4).