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April 16, 2014

April 16, 2014

Posted by **Monte'** on Monday, October 29, 2007 at 8:15pm.

1. x^2+19X+90 *

2. x^2-16X+55 *

3. x^2-^6x-91 *

4. x^2+28x+195 *

5. x^2-29x+204

6. x^2+3x+154

7. 2x^2-5x-42

8. 3x^2-13x+12

9. 5x^2+43x-18

10. 6x^2+29x+35

Solve each equation

31. x^2-22x+120=0

32. 4x^2+20x+25=0

33. 4x^2+10x=x^2-x+4

34. (x+2)^2+x(x-3)=1

- Math -
**drwls**, Monday, October 29, 2007 at 8:26pmLet us know what answers of yours you want checked. This looks like part of a long homework assignment you want someone else to do for you. We don't do that here.

Here's how you would do one of them:

32. 4x^2+20x+25=0

(2x + 5)^2 = 0

2x +5 = 0

x = ?

- Math -
**Monte'**, Monday, October 29, 2007 at 8:30pm1. (x+10)(x+9)

2.(x-11)(x-5)

3.?

4.?

- Math -
- Math -
**drwls**, Monday, October 29, 2007 at 8:43pm1. is correct

2. is correct

3. is (x-13)(x+7)

4. is (x+15)(x+13)

Factor the last (constant) number into integers and see which combinations work. For problems 7,8 and 9, you will hace to factor the coefficient of x^2 also.

For #10, try using 2 and 3 as the a and b coefficients of the x terms and 7 and 5 as the constant terms in

(ax + b)(cx + d)= (ax+5)(bx+7)

One of the 2,3 combinations will work.

- Math -
**Monte'**, Monday, October 29, 2007 at 8:50pmThanx

- Math -

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