hammadiabood hammadiabood 31-10-2021 Mathematics contestada Simplify –3x(7x + 4y – 10). Choose the simplified expression.A. –21x – 12xy + 30xB. –21x – 12xy – 30xC. –21x2 – 12xy + 30xD. –21x2 + 12xy – 30x