Question

evaluate each of the following (3x17​

Answer 1

Answer:

51

Step-by-step explanation:

$(3 \times 17) \\ {( \frac{a + b}{2} )}^{2} - {( \frac{ a - b}{2} )}^{2} \\ {( \frac{3 + 17}{2} )}^{2} - {( \frac{ 17 - 3}{2} )}^{2} \\ {( \frac{20}{2} )}^{2} - {( \frac{ 14}{2} )}^{2} \\ ( {10})^{2} - ({7})^{2} \\ 100 - 49 \\ 51$

Answer 2

Answer:

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