Write (2X -5)^2 as a tri nominal

(2X -5)^2 as a tri nominal:

2x+2x-10

4x² - 20x + 20

Step-by-step explanation:

(a - b)² = a² - 2ab + b²

a = 2x  ; b = 5

(2x- 5)² = (2x)² - 2*2x*5 + 5²  {(2x)² = 2x * 2x = 4x²}

           = 4x² - 20x + 25

c. 4 and 1/2 pounds is the answer! : )

9 x 8 divided by (5-3)=36