marinacedillo24 marinacedillo24 09-01-2023 Mathematics contestada Simplify the following expression. 2x +3×3-5×2 +×2+7×+1+7×5-3×3-4 A. 9x - 4x +7×+5 B. 9×5 +6x +7×+3 C. 5×5 +5x +7x-3 D. 9x - 4× +7x-3