What is x32y23x3+z4 if x=3,y=5, and z=3?

2 Answers
Nov 19, 2016

23

Explanation:

We can evaluate the given algebraic expression by simplifying

the expression ,then substituting the values of x,yandz.


x32y23x3+z4 Arranging similar monomials

=x33x32y2+z4

=2x32y2+z4

=2(3)32(5)2+(3)4

=2×272×25+81

=5450+81

=104+81

=23

Nov 19, 2016

23

Explanation:

To evaluate the expression, substitute the given values for x, y and z into it.

The expression can be simplified by collecting like terms.

2x32y2+z4

=2×(3)32×(5)2+(3)4

=(2×27)(2×25)+81

=5450+81=23