Question

. Reduce las siguientes expresiones
✓ 2x2 –3x + 4x – 9x2 =
✓ 5x3 –7x + 2x – 9x2 + 2x3 – 5x2 =
✓ 3x2 – 1 – 2x2 – x
2 =
✓ 5x4 – 3x – 5x4 + 3x =

Answer 1

Explicación paso a paso:

2×2-3×+4×-9×2=220

5×3-7×+2×-9×2+2×3-5×2=263

3×2-1-2×2-×2=1

5×4-3×-5×4+3×=83