the factor of 4x² - 16
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the factor of 4x² - 16
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Answer:
Solve by factoring: 4x^2 - 16 = 0
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Question:
Solve by factoring: 4x^2 - 16 = 0
Solve by factoring 4x^2 - 16 = 0:
Any number that is multiplied by 0 will equal 0 and that fact allows us when solving an expression like 4x^2 - 16 = 0 to use factoring and set each factor to 0 to solve for x.
Answer and Explanation: 1
To solve 4x^2 - 16 = 0 by factoring we need to find the factors that make up each part of the expression. We can see that 4 is a factor of both sides and can begin by factoring that out:
Now, we can factor x^2 -4 because it can be found by multiplying x - 2 by x + 2:
Now we solve for x by setting each factor to 0 to find what x is:
Now we have our solution:
We can place either number into the original equation to check the answer:
4(2)^2 - 16 = 0
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Answer:
4(x+2) (x-2)
Step-by-step explanation:
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