What is 85x times 99x?

85x × 99x = ?

Here we will do more than give you the solution to 85x × 99x. We will also explain and teach you how we came up with the answer, so you can understand it and solve similar problems in the future without help.

In this problem, 85 and 99 are the coefficients and two Xs are the variables. When a coefficient is next to a variable there is an invisible multiplication sign. So you could rewrite the problem as follows:

85 × x × 99 × x =

So now you can multiply what are the same. You can multiply the coefficients together and the x variables together as follows:

85 × 99 = 8415

x × x = x²

Then you put the answers together and make the multiplication sign invisible again to get the following answer:

85x × 99x = 8415x²

If you multiply two same variables with exponents, you simply keep the variable and add the exponents. Also x with no exponent is the same as x¹.

Here are some problems with answers that you should know based on what you learned on this page:

85x × 99x² = 8415x³

85x × 99x³ = 8415x⁴

85x × 99x⁴ = 8415x⁵

85x² × 99x = 8415x³

85x² × 99x² = 8415x⁴

85x² × 99x³ = 8415x⁵

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What is 85x times 100x
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