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Pull out the GCF

4(2a - 1)

Q: How do you factor the expression 8a minus 4?

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It is: (x-4)(x+4)

4b2-16 =4(b2-4) =4(b+2)(b-2)

4(8r - 3)

(3x - 4)(2x^2 + 6x + 5)

If it does not have a common factor, you cannot factorise it!

Related questions

4(3m - 4)

-4

The expression x2 + 1x - 12 can be factored out as (x - 3)(x + 4)

12

x^2 - y^2 - 4 is in its simplest form.

(x - 4)(x^2 + 4x + 16)

The expression simplifies to: -7x-4

x2 - 9x + 20 = (x - 4)( x - 5)

n-4

4

x2 - 4 is a special expression that is referred to as a difference of squares. Whenever an expression is in the format: a2 - b2 it can be factored out as: (a + b)(a - b) In the case of x2 + 4, that would be: (x + 2)(x - 2)

2x3 + 2x2 - 24xIf we first look for something which divides into all three terms we will see that 2x does.So we can factor to:2x (x2 + x - 12)However, we can also further factor the expression in the brackets. This is a quadratic expression and will factor to:(x + 4) (x - 3)So the original expression factors to:2x (x + 4) (x - 3).