Question

me ajudar por favoor​

Answer 1

Resposta:

A) I.

$x × x = \times {}^{2}$

ll.

$x \times 5 = 5x$

lll.

$5 \times 5 = 25$

lV.

$x \times 5 = 5x$

B)

$x^{2} + 5x + 25 + 5x = x^{2} + 10x + 25$

C)

$(x + 5)^{2} = x^{2} + 2 \times x \times 5 + 5^{2} \\ = x^{2} + 10x + 25$