rewathysathyam rewathysathyam

01-02-2021
Mathematics

contestada

80^2 - 45^2 = a^2 - b^2

ans pls in working, thnx in advance

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manissaha129 manissaha129

01-02-2021

Answer:

[tex]{a}^{2} - {b}^{2}= {(80)}^{2} -{(45)}^{2} \\(a + b)(a - b) = (80 + 45)(80 - 45) \\ = 125 \times 35 = \boxed{ 4375}✓[/tex]

4375 is the right answer.

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