What is the value of 7.5?
1 answer:
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a.
b. x = ∛-1 and -3
<h3>How to expand the expression</h3>a. Given
(x² + 2)²
First, we open up the bracket
Multiply through
Collect like terms
b. Let's factorize
Find the factors of 3 that are products of 4, they are 3 and 1
Use it to replace 4x as 3x and x
Let's make the expression two
Find the common factor
So,
and
and x = -3
Thus, x = ∛-1 and -3
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