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
Take the amount that it first was and multiple by 3…..?
You’ve got this. I believe in you. You can do it. I don’t know the answer. Sorry