Question

алгебра помогите плз 2надо срочно

Answer 1

!!!!!!!!!!!!!!!!!!!!!!!

Answer 2

$( sqrt{3} + 2 {)}^{2} - 2 sqrt{12} = sqrt{ {3}^{2} } + 4 sqrt{3} + 4 - 2 sqrt{4 times 3} = 3 + 4 sqrt{3} + 4 - 4 sqrt{3} = 3 + 4 = 7$