# Math 209

posted by .

solve, 3x^2 + 6x - 105

• Math 209 -

I will assume you meant
solve
3x^2 + 6x - 105 = 0
divide by 3
x^2 + 2x - 35 = 0
(x+7)(x-5) = 0
x = -7 or x = 5

## Similar Questions

1. ### Math

Solve the equation using order of operations. -22+105+(-37)+23+22+37+(-105)
2. ### algebra

I don;t know how to solve the following equation. 9+6x=-6x+105 I have -6x +6x -105 -105 -96=12x 12 12 x=8
3. ### algebra

I don;t know how to solve the following equation. 9+6x=-6x+105 I have -6x +6x -105 -105 -96=12x 12 12 x=8
4. ### college math 209

solve for u, where u is a real number ãu - 18 = 2
5. ### college math 209

solve for y, 5y^-13y=6
6. ### college math 209

solve the equation (x+4)^2=2x^+19x+46
7. ### Math

Find the value of x. The area of a rectangle = 105 The length is 2x+1 Width is x __________________________________ I tried solving it : Arec = l x w 105 = (2x+1)x 105 = 2x^2 + x 0= 2x^2 + x - 105 This is where I get stuck on...
8. ### math

solve the system 7x^2 - 5y^2 + 20y = 3 21x^2 + 5y^2 =209
9. ### math 209

.78=2(3.14)*sqrt.5/g solve for g
10. ### math

What is the value of t in the equation below?

More Similar Questions