how do you factor 3x²-27?
Answers
Answer:
3x²-27
= 3(x²-9)
= 3(x²-3²)
= 3(x+3)(x-3)
= (3x+9)(x-3)
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From the solution 3(x - 3)(x + 3) We try to find the factor of the equation 3x² -27.
Given that,
We have to find how to find the factors of equation 3x² -27
We know that,
What is factor?
An integer that fully divides another number is referred to as a factor. In other words, if multiplying two whole numbers yields a product, then the numbers we are multiplying are factors of the product since the product is split by them.
So,
Take the equation
3x² -27
3(x² - 9)
3(x² - 3²)
Here,
x² - 3² is in the form of a² - b² = (a + b)(a - b)
So,
3(x - 3)(x + 3)
Therefore, From the solution 3(x - 3)(x + 3) We try to find the factor of the equation 3x² -27.
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