17. What is the product of (2x - 3y - z) multiplied by -4a?
A. -6ax + 7ay - 5az B.-8ax + 12ay + 4az C. -6ax + 7ay + 5az D.-8ax - 12ay - 4az
18. What is the first term of the product of (5x + 1)(x2 - 2)?
A. 5
B. 5x
C. 5x2
D. 5x3
19. What is the last term from the product of (2x + 6)(x2 - 5)?
A. 2x3
C. -10x
D.-30
20. Find the product of (2x - 3) and (3x + 2).
A. 6x2 + x - 12 B. 6x2 + 17x - 12 C. 6x2 - 17x - 12 D. 6x2 - x - 12
21. The product of (3x - 2y) and (5y + 6x) is equal to
A. 18x2 + 3xy - 10y2 B. 18x2 – 3x2y2 - 10y2 C. 3x2y2 + 18x2 + 10y2 D. -18x2 – 3xy + 10y2
B. 6x2
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