6x^2+5(x)=21

Simple and best practice solution for 6x^2+5(x)=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 6x^2+5(x)=21 equation:


Simplifying
6x2 + 5(x) = 21

Reorder the terms:
5x + 6x2 = 21

Solving
5x + 6x2 = 21

Solving for variable 'x'.

Reorder the terms:
-21 + 5x + 6x2 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + 5x + 6x2 = 0

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

Subproblem 1

Set the factor '(-7 + -3x)' equal to zero and attempt to solve: Simplifying -7 + -3x = 0 Solving -7 + -3x = 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 + -3x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3x = 0 + 7 -3x = 0 + 7 Combine like terms: 0 + 7 = 7 -3x = 7 Divide each side by '-3'. x = -2.333333333 Simplifying x = -2.333333333

Subproblem 2

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

Solution

x = {-2.333333333, 1.5}

See similar equations:

| -12(x+2)=-8(x+6) | | x+3(4+3x)=73 | | 8t+s=c | | 13x-26=14x | | (x+4)(x-6)(3x-4)=0 | | 8t+a=c | | x^2-2(x)=15 | | P=A-i | | (5x^2-6x-1)+(2x^2-3x+5)-(x^2-3x-2)= | | -32-(-14)= | | (x+5)/4=x-3/5 | | (x+4)(x+4)(x+4)(x+4)(x+4)+16=0 | | 7w+3(4w+8)=104 | | x+5(5x+1)=57 | | r=(10000)(SV)(3.50) | | 5(8+x)+2=87 | | .15x+.10(250-x)=29.25 | | 4x+3(7x+2)=81 | | -12+16y=-34 | | 5x+5y=9.8 | | 17500=(ct)(sv)(3.50) | | 4+2(8x+9)=38 | | .25x+.20(260-x)=54.75 | | y=0.25x+30 | | (x+5)/4=(x-3)/5 | | 31-17=2(x-1) | | y=0.30x+25 | | .02(6c-90)=-.4(c-2) | | y=0.25+30 | | X+5/4=x-3/5 | | 7(2+x)+3=54 | | X+3(4+3x)=72 |

Equations solver categories