(7z-5)(7z-5)=

Simple and best practice solution for (7z-5)(7z-5)= 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 (7z-5)(7z-5)= equation: 


Simplifying
(7z + -5)(7z + -5) = 0

Reorder the terms:
(-5 + 7z)(7z + -5) = 0

Reorder the terms:
(-5 + 7z)(-5 + 7z) = 0

Multiply (-5 + 7z) * (-5 + 7z)
(-5(-5 + 7z) + 7z * (-5 + 7z)) = 0
((-5 * -5 + 7z * -5) + 7z * (-5 + 7z)) = 0
((25 + -35z) + 7z * (-5 + 7z)) = 0
(25 + -35z + (-5 * 7z + 7z * 7z)) = 0
(25 + -35z + (-35z + 49z2)) = 0

Combine like terms: -35z + -35z = -70z
(25 + -70z + 49z2) = 0

Solving
25 + -70z + 49z2 = 0

Solving for variable 'z'.

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


Subproblem 1
Set the factor '(5 + -7z)' equal to zero and attempt to solve:

Simplifying
5 + -7z = 0

Solving
5 + -7z = 0

Move all terms containing z to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -7z = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -7z = 0 + -5
-7z = 0 + -5

Combine like terms: 0 + -5 = -5
-7z = -5

Divide each side by '-7'.
z = 0.7142857143

Simplifying
z = 0.7142857143

Subproblem 2
Set the factor '(5 + -7z)' equal to zero and attempt to solve:

Simplifying
5 + -7z = 0

Solving
5 + -7z = 0

Move all terms containing z to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -7z = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -7z = 0 + -5
-7z = 0 + -5

Combine like terms: 0 + -5 = -5
-7z = -5

Divide each side by '-7'.
z = 0.7142857143

Simplifying
z = 0.7142857143
Solution
z = {0.7142857143, 0.7142857143}

See similar equations:

| 0.5x+0.3x+8=4 | | x/9-4=-5 | | z=(x-0)/1 | | 4.2d=26.04 | | z=(x-u)/o | | -7(-14)= | | 3y-5+y+51=5y+50-3y | | y-20=-6(x-10) | | y-20=-7(x-10) | | 20+(9-9)= | | 16x-10x+9=99+30 | | 9x-1=14(6x-2) | | 8x(3+4)-3= | | x/3=300 | | -14x+30y+4=0 | | y-20=-6.6(x-10) | | y-20=-6.66(x-10) | | 14x+5=5x-4 | | y-20=-6.66667(x-10) | | y+11=0.75(x+12) | | 7(8x+2)=7(4x+4) | | -5.8-3x-7.4-x=3x-13.1 | | y-176=-2.375(x-0) | | 6-(4y-6)=8-5y | | y-176=-2.3(x-0) | | 3(2x)=3(x+2) | | 5x=5(2x-3) | | -3(t+4)-2(8t+5)=-20(t+1)+4 | | 22+3y-1=11y-9-3y | | -(-3w+u)+4(-3u-2w)= | | -9(k-5)-(7k-9)=-17k | | 5(4x-2)-5(2x-8)=3(3x+1)-2 |

Equations solver categories