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First you determine which value is a, b, or c in the polynomial. Then you insert those values into the equation correctly.
Method
First Look for a term (i.e x , y, z) which is in all the compoents
Also look if there is a possible common factor that the compoents share
In this question I would initially aim to get an a on both sides of the equation. My first step would be to multiply both sides by (4-a) to do this. After this point I would expand out the brackets on ...
Step 1: The first step is to rewrite the equation in the form ax2 + bx + c = 0. So in this case, we achieve this by...
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