Question

Resolver (7x+10y)al cuadrado

Answer 1

Respuesta:

${(7x + 10y)}^{2} = {(7x)}^{2} + {(10y)}^{2} + 2 \times 7x \times 10y = 49 {x}^{2} + 100 {y}^{2} + 140xy$

Explicación paso a paso:

${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$