Question

(3x+1)^2-6x Упростите выражение200001111

Answer 1

$(3x+1)^{2} -6x = (9x^{2}+6x+1)-6x=9 x^{2} +6x+1-6x=9 x^{2} +1$

Answer 2

(3x+1)²-6x=9x²+6x+1-6x=9x²+1