Question

Find the value of the expression:
2c2+3 for c=–11; 0; 15

Answer 1

245, 3, 453

Explanation:

-11 squared = 121

121 multiplied by 2 = 242

242 + 3 = 245

0 squared is 0

0 multiplied by 2 = 0

0 + 3 = 3

15 squared is 225

225 multiplied by 2 = 450

450 + 3 = 453

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