The value of a for which the polynomial 4x4+2x^3-3x^2-ax-28 has (-2)as its zero a) -3
b) 2
c) -4
d) -2​

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field