Question

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

ans pls in working, thnx in advance

Answer 1

`{a}^(2) - {b}^(2)= {(80)}^(2) -{(45)}^(2) \\(a + b)(a - b) = (80 + 45)(80 - 45) \\ = 125 * 35 = \boxed{ 4375}✓`

4375 is the right answer.