Factor the expression by grouping terms. : 3x³ + x² - 15x - 5
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Mathematics
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Find 
by using the Chain Rule. Express your final answer in terms of t.w =x2 + xy + y2, x = e4t, y = t
A. 8e8t + (4t + 1)e4t + 2t B. 4e8t + (4t + 1)e4t + 8t C. 8e8t - 4te4t + 2t D. 4e8t + (4t + 1)e4t + 2t
Mathematics
Solve the problem.Find the scalar projection of u = 4i + 5j on v = i + j.
A. 9
B. 
C. 
D. - 
Mathematics
Find the LCM for the following:
a. 4a and 3b2 b. 6a2 and 4a3 c. 21xy2 and 28x2y d. 5x3yz2 and 20xy2
Mathematics
Multiply.(x - 6y)(x - 12y)
A. x2 - 18xy - 18y2 B. x2 - 18xy + 72y2 C. x - 18xy + 72y D. x2 - 21xy + 72y2
Mathematics