Find all real solutions of the polynomial equation x4 - 7x3 + 42x - 36 = 0.
?
?
A. x = 1, 6, 
B. x = 1, 36
C. x = 1, 
D. x = 1, -7, -6
E. x = 1, -36, 12
Answer: A
Mathematics
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A. 
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Simplify the expression. Write the result using positive exponents only.(z8x8)-4
A. z4x4
B. 
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- 6 = -3
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Mathematics