a) $179 \times 179 - 21 \times 21$
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Step 1
On the left side, we have 179 * 179. On the right side, we have 21 * 21. Expanding both sides: Left side: 179 * 179 = 32041 Right side: 21 * 21 = 441 Now, we can see that the left side is not equal to the right side. Show more…
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