PoseyB383130 PoseyB383130 03-11-2022 Mathematics contestada Which expression below is an equivalent expression to this one: (8x- 4x^4 + 8x^3) - (6 - 2x + 6x^4) Select one: 1) -10x^4 + 13x^3+ 10x - 6 2) - 10x^4 + 13x^3 + 15x - 13) -10x^4 + 8x^3 + 10x – 6 4) -10x^4 + 13x^3 + 15x - 6