84x^2-30x-10=-4

Simple and best practice solution for 84x^2-30x-10=-4 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 84x^2-30x-10=-4 equation:


Simplifying
84x2 + -30x + -10 = -4

Reorder the terms:
-10 + -30x + 84x2 = -4

Solving
-10 + -30x + 84x2 = -4

Solving for variable 'x'.

Reorder the terms:
-10 + 4 + -30x + 84x2 = -4 + 4

Combine like terms: -10 + 4 = -6
-6 + -30x + 84x2 = -4 + 4

Combine like terms: -4 + 4 = 0
-6 + -30x + 84x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(-1 + -5x + 14x2) = 0

Factor a trinomial.
6((-1 + -7x)(1 + -2x)) = 0

Ignore the factor 6.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-0.1428571429, 0.5}

See similar equations:

| -6x^2=-x+6 | | 5t-t-3=3t-4 | | 24(3)+9n=m | | 6p-(4p-7)=-30 | | 4d-36-24=2-(6-4d) | | 2(3x+3-2x+5)=26 | | 5x+x+15=15x-12 | | 1640-2.5c+656-.4y=785 | | 18r=-342 | | -6(2+7x)+6(5x+8)=72 | | c-5=-2(x+4) | | 3p-(4p-2)+10= | | 23(3)+9n=m | | X(2y)=50 | | 2(a-1)= | | -3y^2+6y=-2 | | N+(-14)=31 | | (X*2)-35=9 | | -97=6m-(1-6m) | | 10+5x=10x | | 380.00=880.00(1-d) | | (b+5)(a-3)=15 | | -140=10a | | 36=7r+6x | | -5x+1.5=-19.5 | | (2)(60)=(b)(12) | | 656-.4y+1640-2.5x=785 | | 7c+5=8 | | 8-(2x+4)=8 | | 2-1=1-3 | | 36=by | | x(x)=121 |

Equations solver categories