Which shows equivalent expressions? a squared + 3 b minus 2 a squared = 3 a squared + 3 b minus 4 a squared
a squared + 3 b minus 2 a squared = 3 a squared + 4 b minus 4 a squared
Negative a squared + 3 b minus 2 a squared = 3 a squared + 3 b
Negative a squared + 3 b + 2 a squared = 3 a squared + 4 b minus 2 a squared