0=7x^2+72x-55

Simple and best practice solution for 0=7x^2+72x-55 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 0=7x^2+72x-55 equation:


Simplifying
0 = 7x2 + 72x + -55

Reorder the terms:
0 = -55 + 72x + 7x2

Solving
0 = -55 + 72x + 7x2

Solving for variable 'x'.

Combine like terms: 0 + 55 = 55
55 + -72x + -7x2 = -55 + 72x + 7x2 + 55 + -72x + -7x2

Reorder the terms:
55 + -72x + -7x2 = -55 + 55 + 72x + -72x + 7x2 + -7x2

Combine like terms: -55 + 55 = 0
55 + -72x + -7x2 = 0 + 72x + -72x + 7x2 + -7x2
55 + -72x + -7x2 = 72x + -72x + 7x2 + -7x2

Combine like terms: 72x + -72x = 0
55 + -72x + -7x2 = 0 + 7x2 + -7x2
55 + -72x + -7x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
55 + -72x + -7x2 = 0

Factor a trinomial.
(5 + -7x)(11 + x) = 0

Subproblem 1

Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143

Subproblem 2

Set the factor '(11 + x)' equal to zero and attempt to solve: Simplifying 11 + x = 0 Solving 11 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + x = 0 + -11 x = 0 + -11 Combine like terms: 0 + -11 = -11 x = -11 Simplifying x = -11

Solution

x = {0.7142857143, -11}

See similar equations:

| -c+6+5c=-4c+6 | | -16x^2+20x+6=0 | | 14=s-8 | | eax=Cebx | | 2t-6=3(t+3) | | In(In(x))=1 | | 2n-3=17 | | -16x^2+128x+6=262 | | 37+5y-15=16y-14-2y | | 38+5y-6=15y-10-3y | | 6*11-3x=87+x | | 32x=-192 | | x^2-50x-275=0 | | 4y^2=-11y+6 | | 2x^3+8x^2=0 | | H=2GF | | 2x^2-13=0 | | x^2-35x-200=0 | | F=2GH | | x^3-6x^2+9x=54 | | 2c^3+4c^2-70c=0 | | x^2+2x-6=x^2-3x-31 | | -33+18=-28y+41+13y | | 5(y+3)+2y=8 | | 6q+-2(1-q)=1q+3(1-q) | | -3z+13=13-4z | | 1.5x+5.6=3.4x-2 | | z^2+16=0 | | 2(8x+3)-4x=3(4x+6)-21 | | 0.8(x+100)+0.8x=144 | | 10x^2=-49x | | 3(y+6)-y=0 |

Equations solver categories