Question

Решить примеры по по формуле
(a-b) (a+b) =a^2+ab-ab-b^2=a^2-b^2

Answer 1

1)(a-y)(a+y) = a²-y²

2)(3-x)(3+x) = 3²-x² = 9-x²

3)(2a-b³)(2a+b³) = (2a)²-(b³)² = 4a²-b^6

4)(b^5 - 1/2)(b^5 + 1/2) = (b^5)²-(1/2)² = b^10 - 1/4

5)(50+3)(50-3) = 50²-3² = 2500-9 = 2491