SOLUTION: Factor each of the following polynomials 1.2x^2 - 8x 2.-3s^2 + 9s 3.4x + 20x^2 4.5t- 10t^2 5.s^2 + 8s + 12 6. x^2 - 10x + 21 7.x^2 + 5x - 6 8. 4r^2 + 20r + 25 9. 9t^2

SOLUTION: Factor each of the following polynomials 1.2x^2 - 8x 2.-3s^2 + 9s 3.4x + 20x^2 4.5t- 10t^2 5.s^2 + 8s + 12 6. x^2 - 10x + 21 7.x^2 + 5x - 6 8. 4r^2 + 20r + 25 9. 9t^2 - 4

Question 978600: Factor each of the following polynomials
1.2x^2 - 8x
2.-3s^2 + 9s
3.4x + 20x^2
4.5t- 10t^2
5.s^2 + 8s + 12
6. x^2 - 10x + 21
7.x^2 + 5x - 6
8. 4r^2 + 20r + 25
9. 9t^2 - 4
10. 2x^2 + 3x - 14
I NEED YOUR ANSWERS TUTORS. I WILL WAIT THANK YOU VERY MUCH!!! :D
Found 3 solutions by 428225, Cromlix, ikleyn:
Answer by 428225(90)   (Show Source): You can put this solution on YOUR website!
I would recommend splitting your question up next time.
.
Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
Hi there
1.2x^2 - 8x = 2x(x - 4)
2.-3s^2 + 9s = -3s(s - 3)
3.4x + 20x^2 = 4x(1 + 5x)
4.5t- 10t^2 = 5t(1 - 2t)
5.s^2 + 8s + 12 = (s + 2)(s + 6)
6. x^2 - 10x + 21 = (x - 3)(x - 7)
7.x^2 + 5x - 6 = (x - 1)(x + 6)
8. 4r^2 + 20r + 25 = (2r + 5)(2r + 5)
9. 9t^2 - 4 = (3t - 2)(3t + 2)
10. 2x^2 + 3x - 14 = (2x + 7)(x - 2)
Hope this helps:-)
Answer by ikleyn(52834)   (Show Source): You can put this solution on YOUR website!

1. = .

2. = .

3. = .

4. = .

5. = .

6. = .

7. = .

8. = .

9. = .

10. = .

(For the least example find the roots of the polynomial using the quadratic formula).

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