Factor completely.-29x2 + x4 + 100
A. (x + 10)2(x - 1)2
B. (x + 5)2(x - 2)2
C. (x + 5)(x - 5)(x + 2)(x - 2)
D. (x2 + 25)(x + 2)(x - 2)
Answer: C
Mathematics
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Factor completely.20z4 + 3z2 - 9
A. (4z4 + 3)(5z - 3) B. (4z2 + 3)(5z2 - 3) C. (5z2 + 3)(4z2 - 3) D. (5z4 + 3)(4z - 3)
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Find the product.87% of 339
A. 29.49 B. 294.93 C. 2949.3 D. 29,493
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Solve the problem.If the rectangle below is a golden rectangle(with 2x as the shorter side), then the approximate value of x is
A. 161.8. B. 377. C. 261.8. D. 188.5. E. none of these
Mathematics
Solve the equation for x.y = sin x - ?
A. x = arcsin (y + ?) B. x = arcsin y - ? C. x = arcsin (y - ?) D. x = arcsin y + ?
Mathematics