Respuesta :
Answer:
x² + 4x
Step-by-step explanation:
Divide the rectangle into a square with sides 'x' and a rectangle with sides 'x' and '4'(x)(x) + (4)(x)x² + 4x
Answer:
x² + 4x
Step-by-step explanation:
Divide the rectangle into a square with sides 'x' and a rectangle with sides 'x' and '4'(x)(x) + (4)(x)x² + 4x