Question

If m = 3 and n =2 find the value of 2m² - n²

Answer 1

Answer:

14

Step-by-step explanation:

2m^2-n^2

=2×3^2-2^2

=2×9-4

=18-4

=14

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Answer 2

Answer:

14

Step-by-step explanation:

$2(3) {}^{2} - (2) { }^{2} \\ 2 \times 9 - 4 \\ 18 - 4 \\ = 14$