Answer: Factoring using GCF 2x^2+34x+140-- 2(x+7)(x+10)
x^2+4x-77 --> (x-7)(x+11)
Step-by-step explanation: I don't know if these are 100 percent correct, since I'm learning these as well at the moment but I just wanted to help you out.
3.4m questions
4.4m answers