If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -7x = 120 Reorder the terms: -7x + 3x2 = 120 Solving -7x + 3x2 = 120 Solving for variable 'x'. Reorder the terms: -120 + -7x + 3x2 = 120 + -120 Combine like terms: 120 + -120 = 0 -120 + -7x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -40 + -2.333333333x + x2 = 0 Move the constant term to the right: Add '40' to each side of the equation. -40 + -2.333333333x + 40 + x2 = 0 + 40 Reorder the terms: -40 + 40 + -2.333333333x + x2 = 0 + 40 Combine like terms: -40 + 40 = 0 0 + -2.333333333x + x2 = 0 + 40 -2.333333333x + x2 = 0 + 40 Combine like terms: 0 + 40 = 40 -2.333333333x + x2 = 40 The x term is -2.333333333x. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333x + 1.361111112 + x2 = 40 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333x + x2 = 40 + 1.361111112 Combine like terms: 40 + 1.361111112 = 41.361111112 1.361111112 + -2.333333333x + x2 = 41.361111112 Factor a perfect square on the left side: (x + -1.166666667)(x + -1.166666667) = 41.361111112 Calculate the square root of the right side: 6.431260461 Break this problem into two subproblems by setting (x + -1.166666667) equal to 6.431260461 and -6.431260461.Subproblem 1
x + -1.166666667 = 6.431260461 Simplifying x + -1.166666667 = 6.431260461 Reorder the terms: -1.166666667 + x = 6.431260461 Solving -1.166666667 + x = 6.431260461 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = 6.431260461 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = 6.431260461 + 1.166666667 x = 6.431260461 + 1.166666667 Combine like terms: 6.431260461 + 1.166666667 = 7.597927128 x = 7.597927128 Simplifying x = 7.597927128Subproblem 2
x + -1.166666667 = -6.431260461 Simplifying x + -1.166666667 = -6.431260461 Reorder the terms: -1.166666667 + x = -6.431260461 Solving -1.166666667 + x = -6.431260461 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = -6.431260461 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = -6.431260461 + 1.166666667 x = -6.431260461 + 1.166666667 Combine like terms: -6.431260461 + 1.166666667 = -5.264593794 x = -5.264593794 Simplifying x = -5.264593794Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.597927128, -5.264593794}
| 4/9(17) | | 10s^3-22s^2+4s=2s | | .5cos(.25x)=0 | | 9+x=522 | | (9-2)/(5-9)= | | (17)4/9 | | 12T=howmanylb | | 3/7(2) | | 21=5x+10-3x-8 | | 6x+14-3x+10=14 | | 3/7(7) | | -3-(3-2P)= | | 20x^4*y^3/2x^2*y^5 | | -3-(-3-2p)= | | 4(x+1.7)=3x+9.6 | | 4(n-8)=32 | | 3x+16=12-x | | 5x/100 | | 193+b=234 | | -7-x=2+x | | e-66=163 | | (2y^3+y^2+1)+(3y^3-y^2+2)= | | (5x-4)+y=180 | | 4a+3(2x-9)= | | (8P^3)-(4P^2)-(12P)/-4P | | 3x+(x-15)=145 | | c+158=415 | | 10+40=7 | | 4(2x-5)+3(-2)=2 | | X^2-8+k=0 | | (x-10)(x+9)= | | 65x=7 |