Question

${4}^{2} + {1}^{2} - 2 \times 4 \times 1$
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Answer 1

Answer:

10

Step-by-step explanation:

4×4 +1×1=17

2×4×1=7

17 minus 7

=10

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Answer 2

Answer:

4²+1²-2×4×1

=16+1-2×4×1

=17-2×4

=17-8

=9