Question

x² - y²+3z² if x=5 and y=6 z=8​

Answer 1

Step-by-step explanation:

5²-6²+3x8²

25-36+192

181

Answer 2

Answer:

$\huge \fbox \orange{❥ Aɴsᴡᴇʀ}$

${x}^{2} - {y}^{2} + 3 {z}^{2} \\ putting \: the \: value \: of \: x = 5 \: y = 6 \: z = 8 \\ ({5})^{2} - ({6})^{2} + 3(8)^{2} \\ 25 - 36 + 192 \\ - 11 + 192\\ 181$