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Maths
GCSE

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 ...

EH
Answered by Ellen H. Maths tutor
4319 Views

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 v...

JM
Answered by John-Felipe M. Maths tutor
4604 Views

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 exam...

CS
Answered by Chris S. Maths tutor
4567 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 eac...

GC
Answered by Georgia C. Maths tutor
16503 Views

Solve the Simultaneous equations '2x-3y=24' and '6x+2y=-5'

To solve you must make sure there are the same number of either x's or y's in both equations. We will call '2x-3y=24' equation 1, and '6x+2y=-5' equation 2. If you multiply equation 1 by 3 then you get '6...

ES
Answered by Elena S. Maths tutor
7448 Views

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