Question

AYUDAAA !!! ES PARA MAÑANA

Answer 1

(3b/4 - 1b²/3)²
(3b/4 - b²/3)²
(3b/4)² - 2(3b/4)(b²/3) + (b²/3)²
9b²/16 - 6b³/12 + b⁴/9
9b²/16 - b³/2 + b⁴/9

(1x/5 - 7)²
(x/5 - 7)²
(x/5)² - 2(x/5)(7) + 7²
x²/25 - 14x/5 + 49