Question

разложите на множители 20а^3-20а^2+5а

Answer 1

$20a^3-20a^2+5a=5a(4a^2-4a+1)=5a(2a-1)^2$

Answer 2

$20 a^{3} -20 a^{2} +5a=5a(4a ^{2} -4a+1)=5a(2a-1) ^{2}$