Question

x(2x-1)-3x(3-5x, если =-2

Answer 1

x(2x-1)-3x(3-5x), при х=-2
2x^2-х-9х+15x^2
17x^2-10x, при х=-2
17×4-10×(-2)
68+20=88

Answer 2

166565238658656561258565