What is 2x^2+5 equal when x=3?

[匿名]

2008-09-02 4:38 pm

^ means exponent

回答 (5)

[匿名]

2008-09-02 4:41 pm

✔ 最佳答案

18+5=23

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An ESL Learner

2008-09-02 11:41 pm

2x^2 + 5
= 2(3)^2 + 5
= 2(9) + 5
= 18 + 5
= 23

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Como

2008-09-02 11:54 pm

2 (9) + 5
18 + 5
23

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[匿名]

2008-09-02 11:47 pm

2(3)^2+5
18+5
=23

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[匿名]

2008-09-02 11:41 pm

2(9) + 5 = 23

👍 0 👎 0

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