If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + -1 = 7
Reorder the terms:
-1 + 4x2 = 7
Solving
-1 + 4x2 = 7
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '1' to each side of the equation.
-1 + 1 + 4x2 = 7 + 1
Combine like terms: -1 + 1 = 0
0 + 4x2 = 7 + 1
4x2 = 7 + 1
Combine like terms: 7 + 1 = 8
4x2 = 8
Divide each side by '4'.
x2 = 2
Simplifying
x2 = 2
Take the square root of each side:
x = {-1.414213562, 1.414213562}
| -10+3x-x-7x+5x+7+2x=-18x-17 | | 3w+8(w-4)=34 | | 18-3x=2+n | | 19-3x=3+n | | 2sin(2x)-x^3+5=0 | | M^2-25m+10=0 | | 0.003= | | -14=2(v+3)+3v | | 8x^3-58x^2+14x=0 | | -10+3x-x-7x+5x+7+2x=2x-3 | | 2(y-2)-4y=-24 | | x+(x-12)=236 | | 43=7-15-5 | | 15-3n=3+n | | b^2-7b+30=0 | | y=0.20x+27 | | 2a/15 | | 0.666x-0.16=0.5x+0.83 | | 5(3x+4)(3x-4)= | | y=1.5(3)+88 | | y=1.5(0)+88 | | 6x-7/7 | | y=1.5(4)+88 | | 0.5(5x+10)=1.6-(x+2) | | 1/6-x/7 | | 37-(4x+7)=4(x+3)+x | | 4cos(2x)+3cos(x)=1 | | 20a/10b | | 1/6-x/7=6x-7/7 | | 7-x=5x+5 | | 21x-5-18x+2=15x-3-12x+14 | | 3x+11-9x=20-18x+12x-9 |