2x² - 4x - 30
2(x²) - 2(4x) - 2(15)
2(x² - 4x - 15)
4x=20
4/4x=20/4
x=5
u want to isolate the variable to solve these equations
What is the actual question? I know what you're trying to say, just it's not enough info...
Answer:
boom I hope this was the right thing
Step-by-step explanation:
i went on your profile thing yep