Question

if x=4 y=3andz=-1 find the value of x2+y2+z2+3xyz find the answer.
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Answer 1

$\large\green{\textsf{✩ Verified Answer ✓ }}$

x2 + y2 + z2 + 3xyz

=> 4×2 + 3×2 + (-1) × 2 + (3×4×3×-1)

=> 8 + 6 + (-2) + (-36)

=> 14 + (-2) + (-36)

=> -24

$\bf\pink{\textsf{Answered By MrAkdu}}$

Answer 2

Answer:

$= 4 \times 2 + 3 \times 2 + ( - 2)2 + 3 \times 4 \times 3 \times ( - 1)$

$= 8 + 12 - 4 + - 36$

$= - 20$