Find the product.x2(x - 5)3

A. x5 - 5x4 + 35x3 - 125x2
B. x5 - 15x4 + 75x3 - 125x2
C. x5 - 15x4 + 15x3 - 125x2
D. x5 - 15x4 + 35x3 - 125x2


Answer: B

Mathematics

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A.

B.

C.

D.

Mathematics

Express the number in scientific notation.74,000

A. 7.4 × 103 B. 7.4 × 10-3 C. 7.4 × 104 D. 7.4 × 10-4  

Mathematics

Solve the equation by factoring.x2 - 5x = 0

A. {0, -5} B. {-5} C. {5} D. {0, 5}

Mathematics

Solve the system.  5x + z = -29  w + x + 3y - z = 145w + y + 3z = 21  w + x + 2y = 7

A. (30, -25, 6, -20) B. (6, -5, 6, -4) C. (6, -25, 6, -8) D. (6, -5, 3, -4)

Mathematics