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Maths
GCSE

Simplify: ((3x^2)-x-2)/(x-1).

Firstly, simplify the numerator by factorising the quadratic, to give a numerator of (3x+2)(x-1). Now, divide through by (x-1), to give (3x+2).

OK
Answered by Oscar K. Maths tutor
3742 Views

Solve x^2+7x+12=0

We need the equation in the form (x+a)(x+b)=0. The numbers in the brackets (a and b) must multiply together to get the constant at the end of the equation, in this case 12. The numbers (a and b) must add ...

AS
Answered by Amy S. Maths tutor
3312 Views

How do I factorise a quadratic equation?

A quadratic equation will always take the form ax2 + bx + c, where x is a variable and a, b and c are numbers. The equation may be given to you with several x2 values, several x valu...

KM
Answered by Kate M. Maths tutor
5667 Views

Ben would like to buy two tickets for the theatre, each ticket costs £25 and there is a 15% booking fee applied to the ticket cost. How much does it cost him to buy the two tickets with the additional fee?

25 x 2 = 50
15% = 0.15
50 x 1.15 = 57.5
or
0.15 x 50 = 7.5
50 + 7.5 = 57.5

AP
Answered by Alexander P. Maths tutor
2772 Views

How to do simultaneous equations?

  1. Give the student an example question.e.g: past paper question from OCR (higher tier) paper 4 2017
    Each week Dan drives two routes, route x and route y.
    One week he drives route x three ti...
RR
Answered by Rachel R. Maths tutor
7595 Views

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