Respuesta:
Ar = 7x^2 + 9x - 10
Explicación paso a paso:
A1 = b * h
A1 = (3x - 2) * (3x + 5)
A1 = 9x^2 + 15x - 6x - 10
A1 = 9x^2 + 9x - 10
A2 = a * a
A2 = x * x
A2 = x^2
AREA PINTADA = A1 - A2
Ar = 9x^2 +9x - 10 - x^2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Respuesta:
Ar = 7x^2 + 9x - 10
Explicación paso a paso:
A1 = b * h
A1 = (3x - 2) * (3x + 5)
A1 = 9x^2 + 15x - 6x - 10
A1 = 9x^2 + 9x - 10
A2 = a * a
A2 = x * x
A2 = x^2
AREA PINTADA = A1 - A2
Ar = 9x^2 +9x - 10 - x^2
Ar = 7x^2 + 9x - 10