Respuesta :
9x^3 - 5x^3 = 4x^3
2x^2 doesn’t substitute with anything
-5x - (-7x) = -5x + 7x = 2x
4 - 4 = 0
Reminders
4x^3 + 2x^2 +2x
If you have have to simplify
2(2x^3 +x^2 +x)
2x^2 doesn’t substitute with anything
-5x - (-7x) = -5x + 7x = 2x
4 - 4 = 0
Reminders
4x^3 + 2x^2 +2x
If you have have to simplify
2(2x^3 +x^2 +x)