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It's quite simple really :)
What do 10 and 15 have in common? 5.
10 / 5 = 2
15 / 5 = 3
So you times 2 by 5 to get 10, and 3 by 5 to get 15!
Put 5 outside the brackets, and then put the two numbers inside the brackets. Since it's 10x, you know you will have to write 2x inside the brackets, and since it's -15, you have to write -3 (not +3!)
So the answer would be: 5(2x-3)
Check it by solving the equation - multiplying out of the brackets :)
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∙ 13y ago
Anonymous
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What does factorise fully mean?
Factorise fully is when brackets are involved in the equation
How do you factorise mg-ma?
m(g-a)
How do you factorise these expressions?
In the same way that you would factorise any other expressions that do not contain an equality sign depending on the expressions of which none have been given.
How do you factorise 15-10x?
5(3-2x)
How do you factorise 4ab-2ac?
2a(2b-c) :P
How do you write x -10x15 in a word phrase?
X- 10x15
What is -10x15?
150 150
What does 10x15 equal?
150
What is 10x15 plus 500?
650
Factors of 150?
1x150 2x75 3x50 5x30 6x25 10x15
What does factorise fully mean?
Factorise fully is when brackets are involved in the equation
How do you factorise a²-a?
a²-a = a(a-1)
Maths. what is to factorise?
To factorise is to find the numbers that divide into the original number by only using prime numbers. For example factorise 20 = 2 times 2 times 5
The factor pairs of 150?
1x150, 2x75, 3x50, 5x30, 6x25, 10x15
How do you find the geometric mean of 10 and 15?
square root of 10x15, or about 12.2474487
What does it mean to factorise?
to put into brackets
How do you factorise 10X 5?
you do (245x)
