If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = -4.9x2 + 39.2x + 7 Reorder the terms: 0 = 7 + 39.2x + -4.9x2 Solving 0 = 7 + 39.2x + -4.9x2 Solving for variable 'x'. Combine like terms: 0 + -7 = -7 -7 + -39.2x + 4.9x2 = 7 + 39.2x + -4.9x2 + -7 + -39.2x + 4.9x2 Reorder the terms: -7 + -39.2x + 4.9x2 = 7 + -7 + 39.2x + -39.2x + -4.9x2 + 4.9x2 Combine like terms: 7 + -7 = 0 -7 + -39.2x + 4.9x2 = 0 + 39.2x + -39.2x + -4.9x2 + 4.9x2 -7 + -39.2x + 4.9x2 = 39.2x + -39.2x + -4.9x2 + 4.9x2 Combine like terms: 39.2x + -39.2x = 0.0 -7 + -39.2x + 4.9x2 = 0.0 + -4.9x2 + 4.9x2 -7 + -39.2x + 4.9x2 = -4.9x2 + 4.9x2 Combine like terms: -4.9x2 + 4.9x2 = 0.0 -7 + -39.2x + 4.9x2 = 0.0 Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. -1.428571429 + -8x + x2 = 0 Move the constant term to the right: Add '1.428571429' to each side of the equation. -1.428571429 + -8x + 1.428571429 + x2 = 0 + 1.428571429 Reorder the terms: -1.428571429 + 1.428571429 + -8x + x2 = 0 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + -8x + x2 = 0 + 1.428571429 -8x + x2 = 0 + 1.428571429 Combine like terms: 0 + 1.428571429 = 1.428571429 -8x + x2 = 1.428571429 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = 1.428571429 + 16 Reorder the terms: 16 + -8x + x2 = 1.428571429 + 16 Combine like terms: 1.428571429 + 16 = 17.428571429 16 + -8x + x2 = 17.428571429 Factor a perfect square on the left side: (x + -4)(x + -4) = 17.428571429 Calculate the square root of the right side: 4.174754056 Break this problem into two subproblems by setting (x + -4) equal to 4.174754056 and -4.174754056.Subproblem 1
x + -4 = 4.174754056 Simplifying x + -4 = 4.174754056 Reorder the terms: -4 + x = 4.174754056 Solving -4 + x = 4.174754056 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 + x = 4.174754056 + 4 Combine like terms: -4 + 4 = 0 0 + x = 4.174754056 + 4 x = 4.174754056 + 4 Combine like terms: 4.174754056 + 4 = 8.174754056 x = 8.174754056 Simplifying x = 8.174754056Subproblem 2
x + -4 = -4.174754056 Simplifying x + -4 = -4.174754056 Reorder the terms: -4 + x = -4.174754056 Solving -4 + x = -4.174754056 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 + x = -4.174754056 + 4 Combine like terms: -4 + 4 = 0 0 + x = -4.174754056 + 4 x = -4.174754056 + 4 Combine like terms: -4.174754056 + 4 = -0.174754056 x = -0.174754056 Simplifying x = -0.174754056Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.174754056, -0.174754056}
| X^3-x^2+4=120 | | 7(x-6)=16.1 | | b^2+15b+44=0 | | 5a=13 | | 4c=17.6 | | at=(v-u) | | 6e=28.8 | | 3x*8x= | | 4+6=8 | | 7.7=2.1+(-7m) | | 15x+3=10x+4 | | 169+25=X^2 | | 5x-9.2=3 | | -19+5n=-7(-6+8n) | | x^4+8x^3+14x^2=0 | | 2x-5.6=x | | 3000=100x | | 4p-1=10 | | 4x+13=2x-3 | | 24x^2+75x+9=0 | | -3-8x=7-10x | | 4225+256=C^2 | | 30x+45=35x+2 | | 2x-3x-6=2 | | 3(x+1)-5=x+2 | | 5x^3-2x^2-1=0 | | 8x-9=-3+13 | | -50=5s | | 2(5k-6)=k-39 | | X+6+3x=8 | | 0.125=(x)(x)(x) | | 7x(w+4)= |