Multiply.-5x3(2x3 + 4x2 + 8x - 2)
A. -10x6 - 20x5 - 5x4 - 2x3
B. -10x9 - 20x6 - 40x3 + 10
C. -10x6 + 4x5 + 8x4 + 10x3
D. -10x6 - 20x5 - 40x4 + 10x3
Answer: D
Mathematics
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Find the potential function f for the field F.F = 2xex2+y2i + 2yex2+y2j
A. f(x, y, z) = 2ex2+y2 + C
B. f(x, y, z) = 
+ C
C. f(x, y, z) = ex2 + ey2 + C
D. f(x, y, z) = ex2+y2 + C
Mathematics
Find the determinant of the given matrix.
A. 3 B. -3 C. 21 D. -23
Mathematics
Solve the equation using the quadratic formula.4x2 = -12x - 4
A. 
B. 
C. 
D. 
Mathematics
Factor completely.12y2 + 25y + 12
A. (4y + 3)(3y + 4) B. (4y - 3)(3y - 4) C. (12y + 1)(y - 12) D. (12y + 3)(y + 4)
Mathematics