Question

If x =2,y=2 and z=5 find the value of
x square 2+y square 2+z square 2​

Answer 1

Answer

arrange the expression like this first so it can be easier to solve

x² + 2 + y + 2 + z²

then substitute the values

2² + 2 + 5² + 4

4 + 2 + 25 + 4

so 35 is the answer, hope it helped :)