2x^2-17x+21=0

Simple and best practice solution for 2x^2-17x+21=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^2-17x+21=0 equation:


Simplifying
2x2 + -17x + 21 = 0

Reorder the terms:
21 + -17x + 2x2 = 0

Solving
21 + -17x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + -2x)(7 + -1x) = 0

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {1.5, 7}

See similar equations:

| -3p+8=6-(8p+4) | | 6x-5=-2+11 | | 8x^2+50x-42=0 | | 3(x+3)=-18 | | .75d+18=.75d-20 | | 9(12-7)+14= | | 2x+6-3x+2=-1 | | 9x(12-7)+14= | | n-2=42 | | n-3=47 | | 4(9a+10b)-(10a-7b)= | | y-3-3y-7= | | n-9=59 | | -16t^2+64t+512=0 | | 4x+3(28)= | | 2f-6=9f+1-7f | | 10+6v-12=4(2v-1)+2 | | 39x+1.19=3.92 | | 197+n=441 | | .5x+30=4x+9 | | 485+n=642 | | X+0.8x+3=4(x-2) | | 28z+76=180 | | 6(3a-3)+5a=57 | | 0=x^3+x^2-22x-32 | | ln(x+3)-(2)=8 | | 9(n+9)=3(27+3n) | | 0=-x^4+6x^2-7 | | 9*9=m-38 | | 0=-5.67x+0.25 | | 22x-5y=-50 | | 475+n=754 |

Equations solver categories