Prealgebra
posted by Sherrie .
I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you.
(6x+1)(x^29x+5)
(2x^4+3)(4x^3+2)
(12y^3+8y^2+20y)divided 2y
(6x^225x10) divided by (3x+2)
(8x5)+(7x+4)
(5x 3.6)(4x+1.2)
(3x^2+3x)+(4x+40
(6x6)(3x 3)
Find the product of (x^23x+5)with the quotient of (10x^615x^55x)

1. (6x+1)(x^2  9x + 5).
Multiply 6x by each term in the 2nd
parenthesis. Then multiply 1 by each term in the 2nd parenthesis:
6x^3 54x^2 + 30x + x^2  9x + 5,
Combine liketerms:
6x^3  53x^2 +21x + 5.
2. Same procedure as #1.
3, (12y^3 + 8y^2 + 20y) / 2y.
Divide each term by 2y:
6y^2 + 4y + 10.
4.(6x^225x10) / (3x+2) = 2x9 + Re
2x+8. I used Synthetic(Long) division.
It is difficult to show steps here.
5. (8x5) + (7x+4) =
8x  5 + 7x + 4,
Combine liketerms:
15x 1.
6. (5x3.6) (4x+1.2) =
5x  3.6  4x 1.2,
x  4.8.
7. Same procedure as #5.
8. Same procedure aqs #6.
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