Translating words into algebraic symbols please label the question so I know which one they go to

Someone me! if you’re smart you can solve this!

Percent increase and decrease. original number: 45 new number: 18

Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 – 3x – 20x + 4. her work is shown below. (15x2 – 3x) + (–20x + 4) 3x(5x – 1) + 4(–5x + 1) talia noticed that she does not have a common factor. what should she do?