Question

a2 - ( -2a2 + 5a2 )+ a2 - ( - 3a2 + 4a2 + a2 )

Answer 1

a^2 - ( -2a^2 + 5 a^2 ) + a^2 - ( -3a^2 + 4a^2 )
》a^2 + 2a^2 + 5a^2 + â^2 + 3a^3 + 4a^2
》3a^3 + 5a^2 + a^2 + 3a^3 + 4a^2
》8a^5 + a^2 + 3a^3 + 4a^2
》9a^7 + 3a^3 +4a^2
》12a^10 + 4a^2
》16a^12