Pre-AlgebraMedium SharePre-Algebra · Medium problemSimplify 3(x+4)+2x3(x + 4) + 2x3(x+4)+2x.A5x−125x - 125x−12B10x+1210x + 1210x+12C5x+135x + 135x+13D5x+125x + 125x+12Check Show answer Walk through it step by step Practice more like this