SOLUTION: 1. (2x² + 3x – 1) + (5x² - 5x – 5) 2. (2x² + 3x – 1) – (5x² - 5x – 5) 3. (4x2y3z)(-3x3yz3) 4. 3x(2x – y) – 2y(3x + y)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 1. (2x² + 3x – 1) + (5x² - 5x – 5) 2. (2x² + 3x – 1) – (5x² - 5x – 5) 3. (4x2y3z)(-3x3yz3) 4. 3x(2x – y) – 2y(3x + y)       Log On


   

Question 203344: 1. (2x² + 3x – 1) + (5x² - 5x – 5)
2. (2x² + 3x – 1) – (5x² - 5x – 5)
3. (4x2y3z)(-3x3yz3)
4. 3x(2x – y) – 2y(3x + y)

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
1. (2x² + 3x – 1) + (5x² - 5x – 5)
7x^2-2x-6 ans.
2. (2x² + 3x – 1) – (5x² - 5x – 5)
-3x^2+8x+4 ans.
3. (4x2y3z)(-3x3yz3)
-12x^5y^4z^4 ans.
4. 3x(2x – y) – 2y(3x + y)
6x^2-3xy-6xy-2y^2
6x^2-9xy-2y^2 ans.