Respuesta :
To find the answer, we do:
x(x+2y)←write the equation
10(10+2×9)←input the number
10(10+18)
10(28)
280
The answer is 280.
x(x+2y)←write the equation
10(10+2×9)←input the number
10(10+18)
10(28)
280
The answer is 280.