Respuesta :

benjaminabonney

Answer:

first of all you have to introduce the expansion of the terms given

therefore solve;

4x²(1/8x²-2/7xy) - 7xy(1/8x²-2/7xy)

we get;

½x⁴- 8/7x³y - 7/8x³y + x²y²

½x⁴-113/56x³y + x²y²

Otras preguntas