Hi. I've got an exercise and it says:
Rational numbers a, b, c satisfy the equation
(a + b +c)(a + b - c) = c2
Prove that a + b + c = 0
I don't know how to prove this. I overall don't know how to prove any equations in math. Can you help me with that?
Rational numbers a, b, c satisfy the equation
(a + b +c)(a + b - c) = c2
Prove that a + b + c = 0
I don't know how to prove this. I overall don't know how to prove any equations in math. Can you help me with that?