ENGELPUJEDA054IN ENGELPUJEDA054IN Math Answered Find the Sum of 13x⁴-20x³ + 5x-10 and -15x+10.A.13x⁴-20x³-10B.13x⁴-20x²-10xC.13x³-20x²-10xD.13x⁴-20x³-10x²paanswer pls.!.