Aplica la propiedad distributiva de la multiplicacion, respecto a la suma y resta

3x(2+5)

For which rational expression is -2 an excluded value of x?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.