Question

Jan thinks of a positive number. she doubles it, then adds 3. then she squares the result.
a) let x stand for the number Jan thinks of. write down an expression for the answer she tells sadiq

steps plz

Answer 1

Answer: 4x²+12x+9

Step-by-step explanation:

Let x be the number Jan is thinking of,

(Doubles it): 2x

(adds 3): 2x+3

(squares it): (2x+3)² = 4x²+12x+9