Question

Using
${a}^{2} - {b}^{2} = (a + b)(a - b)$
${51}^{2} - {49}^{2}$
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Answer 1

Answer:

.2499

Step-by-step explanation:

(50+1)(50-1)

2500 - 1

2499

Answer 2

Do not know check from google and explanation from youtube may it help you