Question

7x2-3y3+4xy-2z when x=3,y=1and z=3​

Answer 1

Answer:

=14-9+12-6

=5+6

=11

Step-by-step explanation:

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Answer 2

Answer:

192

Step-by-step explanation:

$7({3})^{2} - 3( {1)}^{3} + 4(3)(1) - 2(3) \\ 7 \times 27 - 3 + 12 - 6 \\ 189 - 3 + 6 \\ 189 + 3 = 192$