What does the middle term have to be in this trinomial to make it a perfect square?

x^2+? +4

A perfect square is an expression in this form:

So, we have two perfect squares, and twice the product of the roots.

We have the two perfect squares: is the square of , and 4 is the square of 2.

So, our perfect square can be completed in one of the two following ways:

step-by-step explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.