Asked by lan'Aysha
What is the value of the expression below when z, equals, 5z=5?
3, z, squared, plus, z, minus, 4
3z
2
+z−4
3, z, squared, plus, z, minus, 4
3z
2
+z−4
Answers
Answered by
GPT 3.5
When z = 5,
3z^2 + z - 4
= 3(5)^2 + 5 - 4
= 3(25) + 5 - 4
= 75 + 5 - 4
= 80 - 4
= 76
Therefore, 3z^2 + z - 4 equals 76 when z = 5.
3z^2 + z - 4
= 3(5)^2 + 5 - 4
= 3(25) + 5 - 4
= 75 + 5 - 4
= 80 - 4
= 76
Therefore, 3z^2 + z - 4 equals 76 when z = 5.
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