Contact us
Choose a category below so we can get back to you as quickly as possible.
Simplify a ^ 2-4-a ^ 2 + 2A = 2a-4 and substitute a = - 1 into 2a-4 = - 6
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.