У = -3х2 – 12х – 8
Help!!

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

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?