(7x^2-3)(7x^2-3)=0

Simple and best practice solution for (7x^2-3)(7x^2-3)=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 (7x^2-3)(7x^2-3)=0 equation: 


Simplifying
(7x2 + -3)(7x2 + -3) = 0

Reorder the terms:
(-3 + 7x2)(7x2 + -3) = 0

Reorder the terms:
(-3 + 7x2)(-3 + 7x2) = 0

Multiply (-3 + 7x2) * (-3 + 7x2)
(-3(-3 + 7x2) + 7x2 * (-3 + 7x2)) = 0
((-3 * -3 + 7x2 * -3) + 7x2 * (-3 + 7x2)) = 0
((9 + -21x2) + 7x2 * (-3 + 7x2)) = 0
(9 + -21x2 + (-3 * 7x2 + 7x2 * 7x2)) = 0
(9 + -21x2 + (-21x2 + 49x4)) = 0

Combine like terms: -21x2 + -21x2 = -42x2
(9 + -42x2 + 49x4) = 0

Solving
9 + -42x2 + 49x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + -7x2)(3 + -7x2) = 0


Subproblem 1
Set the factor '(3 + -7x2)' equal to zero and attempt to solve:

Simplifying
3 + -7x2 = 0

Solving
3 + -7x2 = 0

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

Add '-3' to each side of the equation.
3 + -3 + -7x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -7x2 = 0 + -3
-7x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-7x2 = -3

Divide each side by '-7'.
x2 = 0.4285714286

Simplifying
x2 = 0.4285714286

Take the square root of each side:
x = {-0.654653671, 0.654653671}

Subproblem 2
Set the factor '(3 + -7x2)' equal to zero and attempt to solve:

Simplifying
3 + -7x2 = 0

Solving
3 + -7x2 = 0

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

Add '-3' to each side of the equation.
3 + -3 + -7x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -7x2 = 0 + -3
-7x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-7x2 = -3

Divide each side by '-7'.
x2 = 0.4285714286

Simplifying
x2 = 0.4285714286

Take the square root of each side:
x = {-0.654653671, 0.654653671}
Solution
x = {-0.654653671, 0.654653671, -0.654653671, 0.654653671}

See similar equations:

| (9m^3+2)(9m^3+2)=0 | | 3/5÷9/10 | | 6x+15=25 | | (3a-5b)(3a-5b)=0 | | (3x+5y)(3x+5y)=0 | | 8+5x=-3x | | (7x-7)(7x-7)=0 | | 173=2-u | | 089x-8.75=21-0.86x | | (7x-7)(x-7)=0 | | 5/13+6/7 | | −5/8w=30 | | log/7.84 | | -5/8*w=30 | | 7.84/log | | X-24+2x=-18 | | 6x+25=39 | | -5/8w=30 | | 3a^2-6=0 | | .6x+304=y | | =4x^2-2x+0 | | x=54y+2 | | (x/10)+(3x/15) | | 30x+8y=45x+7y | | 0.6x^2-7.2x+2=0 | | (5m^2+7n)(5m^2-7n)=0 | | 40000=[x+(x+5000)]/2 | | 40000=(x+x+5000)/2 | | (7x^2+3)(7x^2-3)=0 | | .5(8x-9)=4x+8 | | (7x-z)(7x+z)=0 | | 6+5x=.5(12+10x) |

Equations solver categories