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Maths
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What is the method for factorising the expression 'x^2 + 3x + 2'?

  1. First look at the constant coefficient, which in this case is 2. You need two numbers which will multiply together to make this number. The only pairs of numbers that will make 2, are (1 and 2) or (...
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Answered by Will W. • Maths tutor
4117 Views

Factorise 4xy-6xz

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

CT
Answered by Cameron T. • Maths tutor
9489 Views

Make a the subject of the following equation, p=(3a+5)/(4-a)

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 ...

MO
Answered by Martin O. • Maths tutor
7896 Views

Derive from the standard quadratic equation, the form of the quadratic solution

ax2+bx+c=0 : basic quadratic equation

a(x2 + bx/a) + c=0  

a((x+b/2a)2 -

JD
Answered by Jaiveer D. • Maths tutor
6271 Views

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