If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
x2 + -1(4) = 0
Multiply -1 * 4
x2 + -4 = 0
Reorder the terms:
-4 + x2 = 0
Solving
-4 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + x2 = 0 + 4
Combine like terms: -4 + 4 = 0
0 + x2 = 0 + 4
x2 = 0 + 4
Combine like terms: 0 + 4 = 4
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
| (2x-1)(2x+1)=0 | | (3x+2)(2x-5)= | | 36b^2-4a=0 | | 50=d^2 | | 0=25x^4-16x^2 | | -4x-6x+8=-3x-5(1-x) | | y=-.8(55)+136 | | 10w^2-7w-6=0 | | y=-.8(45)+136 | | y=-.8(35)+136 | | y=-.5(20)+113 | | 20=-.5(20)+113 | | 1.4*10000000000= | | y=-.8(25)+136 | | 4a=3-b | | 2x-4=3+x | | 1.4*10X^9= | | 25=-0.80x+136 | | 2(2x-3)+3(x+1)=5x+2 | | 3(4-x)=18x+5 | | 6w^2-9=0 | | X-3(2x-6)= | | 64a^3+27=0 | | X-3(2x-6)=3 | | x^6=729 | | (2x+1)(x-4)(x+7)=0 | | 3(6x+-1)-3(3x+-8)=8x+8 | | x^2-136x+64=0 | | 9x-5(x-5)=2(x-4)+3 | | 10.5*.01= | | 3X+7+X-7=17 | | x+3(x+1)=47 |