|4√3-7|(4√37)-56√3

Question

|4√3-7|(4√37)-56√3

Answer 1

|4√3-7|(4√3+7)-56√3=49-48-56√3=1-56√3
|4√3-7|(4√3-7)-56√3=49+48-56√3-56√3=97-112√3