Simplify the algebraic expression by collecting and combining like terms.
m + 
n - 
m - 
n
A. 
m + 
n
B. - 
m - 
n
C. 
m + 
n - 
D. 
m - 
n
Answer: D
Mathematics
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A. x ÷ 7 B. 7 ÷ x C. 7 - x D. 7x
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Find three solutions to 
.
What will be an ideal response?
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Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
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Fill in the blank(s) with the appropriate word(s).
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