How do you simplify #2sqrt5(4-3sqrt5)#?
↳Redirected from
"What is #log_e# of e?"
# =color(blue)( 8sqrt5 -30#
#color(blue)(2sqrt5) * (4 - 3sqrt5)#
# = color(blue)(2 * sqrt5) * (4 ) +color(blue)(2sqrt5) *(- 3sqrt5)#
# = 2* 4 (sqrt5) + (2) * (- 3) * sqrt5 * sqrt5#
# = 8sqrt5 -6 * sqrt5 * sqrt5#
# = 8sqrt5 -6 *5#
# =color(blue)( 8sqrt5 -30#