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Maths
KS3

Work out 2/3 - 1/4

numerator/denominator
First we need to find the common denominator (a number that can be divided by both 3 and 4)
3 x 4 = 12 (so our new, common, denominator is 12)
Whatever we do to the bo...

Answered by Maths tutor
12586 Views

How do I expand 2 sets of brackets to make a quadratic?

The FOIL method should be used to expand 2 sets of brackets. FOIL stands for: FIRST, OUTSIDE, INSIDE, LAST. Here is the foil method used without numbers; this creates a general formula. Expanding (x+a)(x+...

Answered by Sarah L. Maths tutor
1857 Views

Solve the equation: 5p − 7 = 3p + 3 .

At first, it is important to identify that this is a linear equation, usually in the form of y = mx + b. These equations are used for straight line graphs. The most important rule to remember when solving...

Answered by Mayurie S. Maths tutor
4749 Views

Solve 4x + 10 = 18

4x + 10 = 18
4x= 18-10
4x= 8
x=8/4
x=2

Answered by Katherine W. Maths tutor
3093 Views

Expand and simplify (3x + 5)(2x - 4)

We’ve got to remember that expand means to multiply out, so that word is really important because it tells us what operation to use. The order we multiply in can be remembered using the word FOILS, which ...

Answered by Jemima C. Maths tutor
6190 Views

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