Question

раскройте скобки (√2-6) (5+√8)

Answer 1

(√2-6)(5+√8)=√2*5+√2*√8-6*5-6*√8=5√2+√16-30-6√(4*2)=5√2+4-30-6*2√2=5√2-26-12√2=-7√2-26