Given the following system of equations:
2 answers:
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To find the area of a rectangle the formula is:
Area = length * height
A = L * H
In this case:
L = 3x
H = 2x
^^^In-put these values into the equation given above
A = 3x * 2x
Now you must multiply them together.
When multiplying numbers with variable(s) you multiply the number portion normally ( 3 * 2 = 6).
Multiplying variables is slightly different. The matching variables (x and x) will become one "x" and have an exponent attached to the x.
What will the exponent be? If a variable has no visible exponent it can be assumed that it has an exponent of 1. When multiplying variables the exponents on each variable will be <em>sumed </em>together and attached to the final variable:
= x²
Now combine the product of the numbers with the product of the variables:
Area = 6x²
Hope this helped!
~Just a girl in love with Shawn Mendes