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If you were to buy 250ml bottles you would need four meaning - 250 x 4 = £1 x 4 = £4.

If you were to buy 500ml bottles you would need two meaning - 500 x 2 = £1.50 x 2 = £3.

Therefore it is ...

Answer:

8x²+10x-12

Explanation:

It is really important that every 'term' is multiplied by every other 'term'. A 'term' doens't just refer to the number but also to the sign...

First, split the isosceles triangle down the middle to create a right angled triangle. Then label the opposite, hypotenuse and adjacent. The hypotenuse will be the longest side of the triangle, the opposi...

Recap defintions: factorise essentially means making the equation simpler by finding the common factors. 

This is a simple quadratic because the first term has a coeffecient of 1. therefore we know...

• To help us to see what we need to do in this question, I would always line the equations up one above the other, and label them (1) and (2). Here we'll say that (1) is 3x + 7y =18 and (2) is x+ 2y =...