7+46x=21x^2

Simple and best practice solution for 7+46x=21x^2 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 7+46x=21x^2 equation:


Simplifying
7 + 46x = 21x2

Solving
7 + 46x = 21x2

Solving for variable 'x'.

Combine like terms: 21x2 + -21x2 = 0
7 + 46x + -21x2 = 0

Factor a trinomial.
(7 + -3x)(1 + 7x) = 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 '(1 + 7x)' equal to zero and attempt to solve: Simplifying 1 + 7x = 0 Solving 1 + 7x = 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 + 7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7x = 0 + -1 7x = 0 + -1 Combine like terms: 0 + -1 = -1 7x = -1 Divide each side by '7'. x = -0.1428571429 Simplifying x = -0.1428571429

Solution

x = {2.333333333, -0.1428571429}

See similar equations:

| -2+4x+6x=-82 | | 5(2-4)-2=4z-20 | | (13b-5)-4(3b+1)=-2 | | -63-f=-82 | | -2+4x+6x= | | 4q-3=8 | | b-(-26)=41 | | 9x^3-4=x-36x^2 | | 7-c/4=2 | | -2-x=-8 | | 3/4=w+2/5 | | 2x^2+5x-3=x^2+5x+1 | | 4(y-2)+6=-14 | | v-7=-4 | | 4w+12x=192 | | -2(3x+1)=-4(2x)-4 | | -6-4k=-26 | | 7.4x+3.8=5.9x-9.7 | | m+6=2 | | 4w+12x=10 | | 6x+43=49 | | 310-165= | | 4x-3+8x=69 | | 40x+4(1.5x)=276 | | -2+3y=5x+24 | | 7800+-1.6y=6000+-1y | | -7+2p=-39 | | 420-360= | | 2.5x+11-4.7x-2.3= | | 4x+7=2x-3 | | 4x+14x=54 | | 4x+7-3x=12 |

Equations solver categories