First you can factor out a -2 from the original expression
-2(4x²-27x-70)
Then, use any method you're familiar with to factor (4x²-27x-70)= (x+2)(4x-35) ***
***I used the "AC method" Let me know if you'd like me to explain this part
So the expression -2(x+2)(4x-35) is the same as the original
