Step-by-step explanation:
10x²+2x-8=0
=>10x²+10x-8x-8=0
=>10x(x+1)-8(x+1)=0
=>(10x-8)(x+1)=0
=>2(5x-4)(x+1)=0
Option B
The answer is 7 multiple by 10 =70
Answer:
45
Step-by-step explanation:
Whalers is the picture to the supplementary angle 100°
Answer:

Step-by-step explanation:



Sorry If it is wrong.....