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How do I multiply indices together?

Multiplying indices is much easier then it first seems. First you need to undertand what an index or power is, A^2 (A to the power of 2) means AxA, A^3 (A to the power of 3) means AxAxA and so on. The diffic...
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Answered by Freya C. • Maths tutor
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What is meant by 'the degree of a polynomial'?

The degree of a polynomial is the highest degree of the polynomials in your equation. For example, if you had (x^4 + 3x^2 + 5x), then the degree of the polynomial would be 4, as the largest polynomial in tha...
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Answered by Ellen H. • Maths tutor
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How do you complete the square? example: x^2 + 8x + 13=0

the method to complete the square is as follows; -take the constant (13) away from both sides of the equation leaving x and x^2 terms only on one side of the equation: x^2+8x=-13 -Add half of the value of th...
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Answered by John-Felipe M. • Maths tutor
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I am getting stuck on how to solve Simultaneous Equations, can you explain how to do this?

I always find with simultaneous equations that it is first important to remember what you are actually trying to do- to work out the values of x and y given what you know about them. So lets use this example...
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Answered by Chris S. • Maths tutor
5031 Views

Expand and simplify: (2x+3)(x-8)

For this kind of question, the FOIL method can be used. You start by multiplying the FIRST aspects of both brackets, in this case giving 2x². Then you do the same with the OUTERS, the last elements in each b...
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Answered by Georgia C. • Maths tutor
17671 Views