Question

(13+x) (13+x) expand​

Answer 1

Answer:

$169 + {x}^{2} + 26x$

Step-by-step explanation:

$(13 + x)(13 + x) \\ \\ = (13 + x {)}^{2} \\ \\ = {(13)}^{2} + (x {)}^{2} + 2 \times 13 \times x \\ \\ = 169 + {x}^{2} + 26x$