5 If x=3, y=-2 and z=4, evaluate [4x2−xy+xy3+xz÷3].
a.
205
b.
380
c.
64
d.
22
Answers
Answered by
0
Answer:
none of there
Step-by-step explanation:
answer will be 7
Answered by
0
Answer:
-6
Step-by-step explanation:
x = 3, y = -2, z = 4
[ 4 × 2 - xy + xy³ + xz ÷ 3 ]
= [ 8 - 3 × ( -2 ) + 3 × ( -2 )³ + 3 × 4 ÷ 3 ]
= [ 8 + 6 + 3 × ( -8 ) + 12 ÷ 3 ]
= [ 14 - 24 + 4 ]
= [ 18 - 24 ]
= -6
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