Question
Write the difference in factored form. (24x4 – 15x2 + 6x) – (10x4+ 5x2 – 4x)
- 3x(4x2 + 8x – 6)
- 3x(4x2 – 8x + 6)
- 2x(7x3 – 10x + 5)
- 2x(6x3 + 10x – 4)
Hint:
In this question, we have to find the difference in factored form. 
. firstly, we will find the difference of the given expression. Then we will find the factors of the expressions and find the common factors, the product of the common factors will be the GCF. Later we will take common the GCF from the expression to find the required expression.
The correct answer is: 2x(7x3 – 10x + 5)
Factors of 14x4 = 2
7xxxx
Factors of -20x2 = (-1)225xx
Factors of 10x = 25x
Common factors = 2, x
GCF = 2x = 2x.
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