Question

x^2+6x+9 при х=4корня из 5-3

Answer 1

$x^2+6x+9 \ (4sqrt{5-3})^2+6*4sqrt{5-3} + 9 \ 16(5-3) + 24 sqrt{5-3} +9 \ 16*2+24sqrt{5-3} + 9 \ 32+24sqrt{5-3} + 9 \ 41+24sqrt{2}$