Question

Write the simplification of (3x + 1)^2

Answer 1

Answer:

9x^2+1+6x

Step-by-step explanation:

Answer 2

Answer:

9x^2 +6x+1

Step-by-step explanation:

${(3x + 1)}^{2} \\ 3x \: as \: a \: and \: 1 \: as \: b \\ than \: {(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2} \\ {(3x + 1)}^{2} = {(3x)}^{2} + 2 \times 3x \times 1 + {(1)}^{2} \\ 9 {x}^{2} + 6x + 1$