2x^2+(a-9)*x+3a+4=0

Simple and best practice solution for 2x^2+(a-9)*x+3a+4=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2x^2+(a-9)*x+3a+4=0 equation:


Simplifying
2x2 + (a + -9) * x + 3a + 4 = 0

Reorder the terms:
2x2 + (-9 + a) * x + 3a + 4 = 0

Reorder the terms for easier multiplication:
2x2 + x(-9 + a) + 3a + 4 = 0
2x2 + (-9 * x + a * x) + 3a + 4 = 0

Reorder the terms:
2x2 + (ax + -9x) + 3a + 4 = 0
2x2 + (ax + -9x) + 3a + 4 = 0

Reorder the terms:
4 + 3a + ax + -9x + 2x2 = 0

Solving
4 + 3a + ax + -9x + 2x2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + 3a + ax + -9x + -4 + 2x2 = 0 + -4

Reorder the terms:
4 + -4 + 3a + ax + -9x + 2x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 3a + ax + -9x + 2x2 = 0 + -4
3a + ax + -9x + 2x2 = 0 + -4

Combine like terms: 0 + -4 = -4
3a + ax + -9x + 2x2 = -4

Add '9x' to each side of the equation.
3a + ax + -9x + 9x + 2x2 = -4 + 9x

Combine like terms: -9x + 9x = 0
3a + ax + 0 + 2x2 = -4 + 9x
3a + ax + 2x2 = -4 + 9x

Add '-2x2' to each side of the equation.
3a + ax + 2x2 + -2x2 = -4 + 9x + -2x2

Combine like terms: 2x2 + -2x2 = 0
3a + ax + 0 = -4 + 9x + -2x2
3a + ax = -4 + 9x + -2x2

Reorder the terms:
4 + 3a + ax + -9x + 2x2 = -4 + 9x + -2x2 + 4 + -9x + 2x2

Reorder the terms:
4 + 3a + ax + -9x + 2x2 = -4 + 4 + 9x + -9x + -2x2 + 2x2

Combine like terms: -4 + 4 = 0
4 + 3a + ax + -9x + 2x2 = 0 + 9x + -9x + -2x2 + 2x2
4 + 3a + ax + -9x + 2x2 = 9x + -9x + -2x2 + 2x2

Combine like terms: 9x + -9x = 0
4 + 3a + ax + -9x + 2x2 = 0 + -2x2 + 2x2
4 + 3a + ax + -9x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
4 + 3a + ax + -9x + 2x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5=5sin(X)+2cos(X) | | 3/4x-7/12x=5/6x-1 | | 8-1.3x=16 | | 5b^2-28=31b | | y^2x^2-4y^2-2x^2+8= | | 20/2x=20 | | f-3f+2,1/2+5f= | | 1x+18=10 | | 3(2n-4)+2n=2(3n+4)-6n+4 | | (-12+1)(-12-i)=145 | | -3x=2y+19 | | 3/4x-5=11 | | (w-3)(w+6)= | | 5v+2(4v-7)= | | 5g+8=43 | | y=0.16x-1 | | (2x+3)(2x+6)=5 | | y^4-14y^3+49y^2=0 | | 2x+8-22x= | | 78=7x+7x+8 | | 2x-100=82-5x | | x-(-11)=-3 | | 6f-5=7 | | c^2+1=12c | | 10y+x=10x+y-45 | | (7/8-5/6)*1/2 | | q+q+2+4+q-17,q=5 | | q+q+2+4+q-17=5 | | 1206.4x=52 | | 2e+3=7 | | (7/8-5/6)X1/2 | | 3d=-6 |

Equations solver categories