Question

(2x+1)²-9(2x+1)+20 plz asap​

Answer 1

Answer:

x = 2 (or) x = 3/2

Step-by-step explanation:

Above is ans. Make sure it's right

Answer 2

Answer:

(2x-4)(2x-3)

Step-by-step explanation:

(2x+1)^2-9(2x+1)+20

Let, 2x+1= a

Therefore, a^2-9a+20

or, a^2-(5+4)a+20

or, a^2-5a-4a+20

or, a(a-5) - 4(a-5)

or, (a-5)(a-4)

As, a=2x+1

So, (2x+1-5)(2x+1-4)

or, (2x-4)(2x-3)