27x^2+48x+21=

Simple and best practice solution for 27x^2+48x+21= 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 27x^2+48x+21= equation:


Simplifying
27x2 + 48x + 21 = 0

Reorder the terms:
21 + 48x + 27x2 = 0

Solving
21 + 48x + 27x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(7 + 16x + 9x2) = 0

Factor a trinomial.
3((1 + x)(7 + 9x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(7 + 9x)' equal to zero and attempt to solve: Simplifying 7 + 9x = 0 Solving 7 + 9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 9x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 9x = 0 + -7 9x = 0 + -7 Combine like terms: 0 + -7 = -7 9x = -7 Divide each side by '9'. x = -0.7777777778 Simplifying x = -0.7777777778

Solution

x = {-1, -0.7777777778}

See similar equations:

| 6x^2y^2-2xy^2-60y^2=0 | | 1.7+8-1.62t=.4t-.32+8 | | 100[0.04(m+10)]= | | 8s^2-30s+18=0 | | 5x-2=3x+30 | | -20x+99+x^2=0 | | -2/8 | | -6x+7x^2-13=0 | | -3(4s-1)-3=-2(8s+3)-3 | | 4+x=-9+7 | | 4(2x-4)-6=8x-22 | | (x-14/x+1)-(x/x-1)=0 | | 6+2p-3=7p+8-4p | | 7x^2-14x-56= | | 1-(64/x^2)=0 | | z^2-32=14z | | 4z+9=5z | | 15x-17x=6 | | -2y-14=5y+14 | | 4(-9+x)=8(3+x) | | 5z^2-20z=0 | | (25b-5)-8(3b+2)=-3 | | 2x-7/x=x-5/2 | | (n+5)=2n+10 | | f(x)=x^2+2 | | 6x+4x+4+7=6x+3+3x | | 5(9c+3)= | | 76+21t=96t-49 | | -8.2=49.2 | | 3x-x+16=2(x+8) | | 9b+7=5b+3 | | 9x+12=6x+6 |

Equations solver categories