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Maths
GCSE

factorise and simplify (x^2+4x+4)/(3x^2+15x+18)

Factorise: Top (x^2+4x+4) = (x+2)^2Bottom (3x^2+15x+18) = 3(x^2+5x+6) = 3(x+3)(x+2)Simplify: ((x+2)^2)/(3(x+3)(x+2)) = (x+2)/(3(x+3))

NS
Answered by Nikita S. Maths tutor
2998 Views

How do I expand (2x+5)(9x-2)?

First, remember that a set of closed brackets directly beside a single term/another set indicates that they are being multiplied. The key to expansions like this is to do it a particular order every time ...

ME
Answered by Meron E. Maths tutor
3018 Views

What is 15% of 640?

There are different ways to approach this question: directly or breaking it down.By using the method of breaking it down, we can split this percentage into easier percentages. 15% is the sum of 10% and 5%...

RR
Answered by Romina R. Maths tutor
14740 Views

How to solve the inequality 4(x+3) < 60?

As we are working with an inequality we have to pay attention every time to the symbol, in this case less <, that rules the inequality. The first step to solve it, it is the expansion of the LHS, so we...

AP
Answered by Ana P. Maths tutor
2703 Views

In a village the number of houses and the number of flats are in the ratio 7 : 4 the number of flats and the number of bungalows are in the ratio 8 : 5 There are 50 bungalows in the village. How many houses are there in the village?

Firstly it is important to read the whole question to make sure the all the information you have been given is understood. As we know there are 50 bungalows we can use the ratio of flats to bungalows to f...

JH
Answered by Jessica H. Maths tutor
11242 Views

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