Q:
# What Is X Squared Plus X Squared?

The sum of x² plus x² is 2x². The problem requires adding one x squared to one more x squared, which equals two x squared. Substituting 3 for x, 3² + 3² = 2(3²), or 9 + 9 = 18.

Continue Reading
Credit:
CommerceandCultureAgency
The Image Bank
Getty Images

Each of the variables is raised to the same power, so they are like terms. In the case of one of the variables being squared and the other cubed, no like terms exist. Since this problem only has like terms, the problem is solved simply by adding the coefficients together. The understood "ones" in front of the variables are the coefficients in this problem.

Learn more about Algebra-
Q:
## What Is E^ln(x)?

A: The value of e^ln(x) is x. This is because ln(x) is the inverse function of e(x), which means that applying the function f(x) = e^x reverses the effect of ... Full Answer >Filed Under: -
Q:
## What Is Y=csc(x)?

A: The equation y=csc(x) is a trigonometric function that looks like repeating regular and upside down "U"s. This function can also be written as y=1/sin(x) b... Full Answer >Filed Under: -
Q:
## What Is the Way to Type the Squared Symbol?

A: To type the squared symbol, use the Alt code for powers, which is 0178. To do this, first make certain that the "Num Lock" is on, hold down the Alt key and... Full Answer >Filed Under: -
Q:
## What Is Sine Squared Plus Cosine Squared?

A: The sum of sine squared plus cosine squared is 1. While the sine is calculated by dividing the length of the side opposite the acute angle by the hypotenus... Full Answer >Filed Under: