Factorise 3x+12
We should start by looking for the highest common factor of the 2 numbers involved in the equation (3&12)If you cannot do this immediately in your head, create a factor tree or list the factors3: 312: 2, 3, 4, 6, 12The highest common factor is 3, so we put 3 outside the bracket:3(Now, what do we need to multiply 3 by to get 3x?3(xNow, what do we need to multiply 3 by to get 12?3(x+4)
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Related Maths GCSE answers
All answers ▸Rearrange the formula to make a the subject: b = (2a + 5)/3
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?
Complete Question won't fit here. Please see Explanation. Thanks.
How would I simplify this? (x-2)(x+3)