40x^2+21x-27=0

Simple and best practice solution for 40x^2+21x-27=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 40x^2+21x-27=0 equation:


Simplifying
40x2 + 21x + -27 = 0

Reorder the terms:
-27 + 21x + 40x2 = 0

Solving
-27 + 21x + 40x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -8x)(3 + -5x) = 0

Subproblem 1

Set the factor '(-9 + -8x)' equal to zero and attempt to solve: Simplifying -9 + -8x = 0 Solving -9 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -8x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -8x = 0 + 9 -8x = 0 + 9 Combine like terms: 0 + 9 = 9 -8x = 9 Divide each side by '-8'. x = -1.125 Simplifying x = -1.125

Subproblem 2

Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Solution

x = {-1.125, 0.6}

See similar equations:

| 35(x-1)+125x+3(x+2)=1148 | | -6x^2-17x-5=0 | | -35x^2+17x+36=0 | | 19-b=-10 | | 10x+13=43 | | 3x+5x-14+2x+22=180 | | -21x^2-11x+6=0 | | 31+y-y=31 | | x-(x+3)=5 | | (31+y)-y=31 | | 4x^2+100=20 | | 5x-[12+x]=-13 | | (7-2x)/6-3=5.2 | | (7-2)/ | | -2/3[x-3]-x=8 | | 2sin(x)=2cos(x) | | Y^3-12y^2=45 | | 3x*x-6x+2=0 | | a^4-15a^2+90=0 | | 2k+2k= | | a^4-15a+90=0 | | 7[x-11]-3x=-53 | | 3(5x-11)=27 | | 450=m(3)+b | | 4=s/4 | | X^2+8x-10=O | | -3d=-15 | | 2=w/3 | | 2=k-7 | | y=8(5) | | 32=k(4) | | 24=k(4) |

Equations solver categories