Answer:
(a+b)2 = a² + b² + 2×a×b
Step-by-step explanation:
Which ever one of those that doesnt have a decimmal
Answer:
Simultaneous equations are two or more algebraic equations that share variables e.g. x and y . They are called simultaneous equations because the equations are solved at the same time. Each of these equations on their own could have infinite possible solutions.