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in Algebraic Expressions by (26.3k points)
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The factors of x4 + x2 = 25 are

A. (x2 + 3x + 5)(x2 - 3x + 5) 

B. (x2 + 3x + 5)(x2 + 3x - 5) 

C. (x2 + x + 5)(x2 - x + 5) 

D. none of these

1 Answer

+1 vote
by (25.0k points)
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Best answer

We have,

\(=\text{x}^{4}+\text{x}^{2}+25\)

Adding and subtracting 9x2 in the equation

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