(2√3-5)(2√3+5)+(7√3-2√48)*√3toka pojaluista s ob'yasneniyami

Question

(2√3-5)(2√3+5)+(7√3-2√48)*√3
toka pojaluista s ob'yasneniyami

Answer 1

(2√3-5)(2√3+5)+(7√3-2√48)*√3=
=(2√3)² - 5² + 7√3*√3 - 2√48*√3=
=4*3 - 25 + 7*3 -2√(16*3)*√3=
=12-25+21-2*4*√3√3=
=8-8*3=8-24=-16