Question

find the square of the following x+3

Answer 1

Answer:

x + 3 = x² + 9

is the answer

as there is no other x we should square x and 3² is 9

Answer 2

Step-by-step explanation:

(a+b)² = a² + 2ab + b²

(x+3)² = x² + 2 × x × 3 + 3²

= x² + 6x + 9