= -4 + 10i + 10i -25i^2 = -4 + 20i + 25 = 21 + 20i, because i^2 = -1.
<span>a clocks minute and hour hand make a straight line 22 times a day</span>
The expressions are simplified to 2x and 
<h3>How to simply the expressions</h3>
1.
Given the expression;

Let's factorize the numerator;

Factor the common terms, we have;
2x
2. 
Find the Lowest common multiple

expand the brackets


collect like terms

Divide common terms

Thus, the expressions are simplified to 2x and 
Learn more about algebraic expressions here:
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It’s 27 for sure because (7-5) is 2 times that by the power of 2 is 4 times that by 6 is 24 and 3 +24 is 27
Answer:
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