Are the expressions below equivilent?

3(4x + 8)
12x + 24

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?