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We use the FOIL method to do this, where FOIL stands for First, Outside, Inside, Last. So in this example we multiply the first term of ...
There are 2 main methods for solving simultaneous equations: 1) by substitution, and 2) by elimination. Have a look at how each method works and pick the one that's best for you! In orde...
To complete the square, we will need to put the equation into the form (x - a)2 - b + 8 = 0, where a is half of the coefficient of x (12 in th...
This expression is in the form of ax^2 + bx + c, so you need to find two numbers which multiply to get ac and add to make b.Step 1: Here a is not = 1, so you need to take out the highest common fact...
Say the parallelogram is called ABCD, you know the coordinates of A, B and C and want to find out DFirst of all, you'll want to calculate a vector from one of the sides of the parallelogram, say A...
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