Solve for x

A. X=27
B. X = 9
C. X= 3
D. X=7

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?

Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3 n6 + 7mn5 + 14m2n4 – 5m3n3 – 6m6 –2m6 – 5m3n3 + 14m2n4 + 7mn5 + n6 14m2n4 + 7mn5 – 6m6 – 5m3n3 + n6 n6 – 6m6 + 7mn5 + 14m2n4 – 5m3n3 show work