8x^2+7=36x-9

Simple and best practice solution for 8x^2+7=36x-9 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 8x^2+7=36x-9 equation:


Simplifying
8x2 + 7 = 36x + -9

Reorder the terms:
7 + 8x2 = 36x + -9

Reorder the terms:
7 + 8x2 = -9 + 36x

Solving
7 + 8x2 = -9 + 36x

Solving for variable 'x'.

Reorder the terms:
7 + 9 + -36x + 8x2 = -9 + 36x + 9 + -36x

Combine like terms: 7 + 9 = 16
16 + -36x + 8x2 = -9 + 36x + 9 + -36x

Reorder the terms:
16 + -36x + 8x2 = -9 + 9 + 36x + -36x

Combine like terms: -9 + 9 = 0
16 + -36x + 8x2 = 0 + 36x + -36x
16 + -36x + 8x2 = 36x + -36x

Combine like terms: 36x + -36x = 0
16 + -36x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(4 + -9x + 2x2) = 0

Factor a trinomial.
4((1 + -2x)(4 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {0.5, 4}

See similar equations:

| 4+.22n=3 | | (2x-3)(6x-5)=0 | | 5x+12=37 | | 19-4z=5 | | 3x+17=y+129 | | 6(n-3)=-24 | | 6b-27=0 | | 5ln(2x)+6=8 | | 3x+17y=129 | | 7(t-6)+3t=5(2t+4)-12 | | (c+8)(c-3)= | | 1/7(x+6)=9 | | 4x+16=5x-21 | | 8p-12=4*2p-12 | | 3x+17=129 | | x^2+4x-252=0 | | 0.8y-0.6y=3.8 | | 7x+5=10-2x | | 80-3y=5y+8 | | 3x(3.2-2c)=4.6+4C | | (c-10)(c-20)= | | 6x+25=31 | | -2(3s-2)-4=-2(6s+5)-3 | | -6=14-.3z | | (2x-16)=32 | | 7x+5(5x+18)=-102 | | 7(4-24x)=84-28y | | -1/6(x-18)+1/3(x+3)=x+34 | | (x-2)(x+4)(x+8)=(x^2+14x+48) | | 3b=-7+4b | | 9q+4=7q | | -12=-7-2.5s |

Equations solver categories