Question

2,5² = (x+12)*x alguém responde pra mim prfv

Answer 1

$2.5 {}^{2} = (x + 12) \times x \\ \\ ( \frac{5}{4} {}^{2}) + (x + 12) \times x \\ \\ \frac{25}{4} \times (x + 12) \times x \\ \\ \frac{25}{4}x {}^{2} + 75x$