Find the value of the expression
3 (x³+y³+ z³-3xy) when x= -3
y = 2 and
z=1
Answer and I'll mark u brainliest
Answers
Answered by
0
Answer:
0
Step-by-step explanation:
-3^3 = -27
2^3 = 8
1^3 = 1
3 x -3 x 2 = -18
3(-27 + 8 + 1 - (-18)) = 0
Answered by
1
Step-by-step explanation:
= -3³ + 2³+ 1³
= -27 + 8+ 1
= -36
= 3xy =36
= 3x =36
= x = 36/3 = 12
now x = 3 and y = 12...
= 3x + 12y
=15.
=thus the answer is y = 12, and the answer is 15.
hope it helped
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