Answer the question.Explain how (m + n)2 differs from m2 + n2 by expanding (m + n)2.
What will be an ideal response?
Expanding (m + n)2, one gets (m + n)2 = m2 + 2mn + n2, which differs from m2 + n2 by the term 2mn.
Mathematics
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Translate to an equation, then solve.Twice the difference of four and n is the same as four subtracted from negative one times n.
A. 2(n - 4) = 4 - n, n = 4 B. 2(4 - n) = -n - 4, n = 2 C. 2(4 - n) = -n - 4, n = 12 D. 2(4 - n) = -n - 4, n = 4
Mathematics
Write the fraction or mixed number as a percent.
A. 16
%
B. 
%
C. 
%
D. 1
%
Mathematics
Add the numbers.865 + 99 + 196
A. 1060 B. 1290 C. 2051 D. 1160
Mathematics
Solve the equation by the square root property.7x2 = 63
A. {-3, 3}
B. {-7, 7}
C. {-3
, 3
}
D. {0}
Mathematics