Factor completely 3ab − 5ax + 9b − 15x.
(3b + 5x)(a + 3)
(3b − 5x)(a + 3)
(3b − 5x)(a − 3)
prime
question 2(multiple choice worth 1 points)
(08.02)
factor completely 5x(x + 3) + 6(x + 3).
(x + 3)(30x)
(x + 3)(5x + 6)
(x + 3)(11x)
prime
question 3(multiple choice worth 1 points)
(08.02)
factor completely 2cb + 7cx + 2b + 7x.
(2b − 7x)(c − 1)
(2b + 7x)(c + 1)
(2b − 7x)(c + 1)
prime
question 4(multiple choice worth 2 points)
(08.02)
factor completely 21x3 + 35x2 + 9x + 15.
(3x − 5)(7x2 − 3)
(3x − 5)(7x2 + 3)
(3x + 5)(7x2 − 3)
(3x + 5)(7x2 + 3)
question 5(multiple choice worth 1 points)
(08.02)
factor completely 9xy + 36x − 10y − 40.
prime
(y − 4)(9x − 10)
(y + 4)(9x + 10)
(y + 4)(9x − 10)
question 6(multiple choice worth 2 points)
(08.02)
factor completely 14bx2 − 7x3 − 4b + 2x.
(2b + x)(7x2 + 2)
(2b − x)(7x2 − 2)
(2b + x)(7x2 − 2)
prime
question 7(multiple choice worth 2 points)
(08.02)
factor completely 4xy + 9x + 24y + 54.
(4y − 9)(x − 6)
(4y − 9)(x + 6)
(4y + 9)(x − 6)
(4y + 9)(x + 6)