Question

presiso efetuar a seguinte conta (5x2+1)2

Answer 1

Temos que: (a+b)² = a² + 2ab + b² , logo:

(5x² + 1)² = 
25x⁴ + 10x² + 1

Bons estudos

Answer 2

Oie, Td Bom?!

$= (5x {}^{2} + 1) {}^{2}$

$= (5x {}^{2} ) {}^{2} + 2 \: . \: 5x {}^{2} \: . \: 1 + 1 {}^{2}$

$= 25x {}^{4} + 10x {}^{2} + 1$

Att. Makaveli1996