cherrygreyson cherrygreyson

30-08-2017
Mathematics

contestada

What is the value of the expression 4x+y2y−x when x = 2 and y = 4?

Respuesta :

25-07-2018

[tex]4x+y^2y-x[/tex]

simplify used [tex]a^n\cdot a^m=a^{n+m}[/tex]

[tex]4x+y^2y-x=3x+y^3[/tex]

substitute the values of x = 2 and y = 4 to the expression:

[tex]3\cdot2+4^3=6+64=70[/tex]

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