Question

Como calcular o valor do produto (x - 5/4)²

Answer 1

(x - 5/4)²
(x-5/4).(x-5/4)
x²-5/4²
x²-25/8
X=5/4

Answer 2

$(x- \frac{5}{4}) ^{2}$

$(x- \frac{5}{4})(x- \frac{5}{4})$

$( x^{2} - \frac{5}{4}x- \frac{5}{4} x+ \frac{25}{16})$

$( x^{2} - \frac{5}{2}x+ \frac{25}{16})$