Question

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

ans pls in working, thnx in advance

Answer 1

Answer:

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

4375 is the right answer.