Factor completely. State that the polynomial is prime if it cannot be factored.9x4 - 49y4
A. (3x2 - 7y2)(3x2 + 7y2)
B. -40x4
C. prime
D. (3x - 7y)(3x + 7y)(3x2 + 7y2)
Answer: A
Mathematics
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Decide whether the equation is or is not an identity.tan (? + ?) = tan ?
A. Not an identity B. Identity
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Solve. Clear fractions first.
x - 
x = 4
A. -60 B. -120 C. 60 D. 120
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What inputs are defined for the expression?
Mathematics