a) 5x^2+25

b) 2x^2-3x-2

Step-by-step explanation:

(a): 5x^2 + 25 = 5 * x^2 + 5 * 5 = 5(x^2 + 5).

(b): 2x^2 - 3x - 2 = 2x^2 - 4x + x - 2

= 2x(x - 2) + 1(x - 2) = (2x + 1)(x - 2).

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.