Question

Efetue:

A) (x - 10)² =
B) (5 - B)² =

Answer 1

${x}^{2} - 20x + 100 \\ 25 - 10b + {b}^{2}$

Answer 2

A) (x - 10)² = x² - 20X + 100

B) (5 - B)² = 25 - 10B + B² => B² - 10B + 25