(7j-5)(2j+7)=0

Simple and best practice solution for (7j-5)(2j+7)=0 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 (7j-5)(2j+7)=0 equation: 


Simplifying
(7j + -5)(2j + 7) = 0

Reorder the terms:
(-5 + 7j)(2j + 7) = 0

Reorder the terms:
(-5 + 7j)(7 + 2j) = 0

Multiply (-5 + 7j) * (7 + 2j)
(-5(7 + 2j) + 7j * (7 + 2j)) = 0
((7 * -5 + 2j * -5) + 7j * (7 + 2j)) = 0
((-35 + -10j) + 7j * (7 + 2j)) = 0
(-35 + -10j + (7 * 7j + 2j * 7j)) = 0
(-35 + -10j + (49j + 14j2)) = 0

Combine like terms: -10j + 49j = 39j
(-35 + 39j + 14j2) = 0

Solving
-35 + 39j + 14j2 = 0

Solving for variable 'j'.

Factor a trinomial.
(-7 + -2j)(5 + -7j) = 0


Subproblem 1
Set the factor '(-7 + -2j)' equal to zero and attempt to solve:

Simplifying
-7 + -2j = 0

Solving
-7 + -2j = 0

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

Add '7' to each side of the equation.
-7 + 7 + -2j = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -2j = 0 + 7
-2j = 0 + 7

Combine like terms: 0 + 7 = 7
-2j = 7

Divide each side by '-2'.
j = -3.5

Simplifying
j = -3.5

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

Simplifying
5 + -7j = 0

Solving
5 + -7j = 0

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

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

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

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

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

Simplifying
j = 0.7142857143
Solution
j = {-3.5, 0.7142857143}

See similar equations:

| p(8p-7)=0 | | 36(12-x)=2.4(1+x) | | q(q+1)=0 | | -9+8z-3+5z= | | (x+12)(x)=x+2 | | -3u-9=-9(u-5) | | (5u+2)(4u+9)=0 | | -3(z+3)+4=7z+5 | | 3^X^-6=1/81 | | 7(2x-1)-3x=6x+8 | | y+3x=-15 | | 2(v-9)=-5v-32 | | -4(n+2)-2=-30 | | (-27-24)/(-15-18) | | (7h-6)(6h+7)=0 | | (w+6)(w+3)=0 | | 9n-2n+3=29+2 | | 30=14x-43 | | (q+6)(q-2)=0 | | -6x-3(x-12)=-9 | | g(3g-1)=0 | | 6+0-8= | | -104=5x+7(-x-12) | | (r-1)(r-7)=0 | | log(x^2+1)-2logx=1 | | -6+3(-x-17)=12 | | 4/7*6 | | 14z-1-8z= | | X/10=2/8 | | 21+9n-10=-277 | | 5x+2(2x+1)=28 | | f(n)=f(n-1)-40 |

Equations solver categories