If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 64x = 100 Reorder the terms: 64x + 7x2 = 100 Solving 64x + 7x2 = 100 Solving for variable 'x'. Reorder the terms: -100 + 64x + 7x2 = 100 + -100 Combine like terms: 100 + -100 = 0 -100 + 64x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -14.28571429 + 9.142857143x + x2 = 0 Move the constant term to the right: Add '14.28571429' to each side of the equation. -14.28571429 + 9.142857143x + 14.28571429 + x2 = 0 + 14.28571429 Reorder the terms: -14.28571429 + 14.28571429 + 9.142857143x + x2 = 0 + 14.28571429 Combine like terms: -14.28571429 + 14.28571429 = 0.00000000 0.00000000 + 9.142857143x + x2 = 0 + 14.28571429 9.142857143x + x2 = 0 + 14.28571429 Combine like terms: 0 + 14.28571429 = 14.28571429 9.142857143x + x2 = 14.28571429 The x term is 9.142857143x. Take half its coefficient (4.571428572). Square it (20.89795919) and add it to both sides. Add '20.89795919' to each side of the equation. 9.142857143x + 20.89795919 + x2 = 14.28571429 + 20.89795919 Reorder the terms: 20.89795919 + 9.142857143x + x2 = 14.28571429 + 20.89795919 Combine like terms: 14.28571429 + 20.89795919 = 35.18367348 20.89795919 + 9.142857143x + x2 = 35.18367348 Factor a perfect square on the left side: (x + 4.571428572)(x + 4.571428572) = 35.18367348 Calculate the square root of the right side: 5.931582713 Break this problem into two subproblems by setting (x + 4.571428572) equal to 5.931582713 and -5.931582713.Subproblem 1
x + 4.571428572 = 5.931582713 Simplifying x + 4.571428572 = 5.931582713 Reorder the terms: 4.571428572 + x = 5.931582713 Solving 4.571428572 + x = 5.931582713 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.571428572' to each side of the equation. 4.571428572 + -4.571428572 + x = 5.931582713 + -4.571428572 Combine like terms: 4.571428572 + -4.571428572 = 0.000000000 0.000000000 + x = 5.931582713 + -4.571428572 x = 5.931582713 + -4.571428572 Combine like terms: 5.931582713 + -4.571428572 = 1.360154141 x = 1.360154141 Simplifying x = 1.360154141Subproblem 2
x + 4.571428572 = -5.931582713 Simplifying x + 4.571428572 = -5.931582713 Reorder the terms: 4.571428572 + x = -5.931582713 Solving 4.571428572 + x = -5.931582713 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.571428572' to each side of the equation. 4.571428572 + -4.571428572 + x = -5.931582713 + -4.571428572 Combine like terms: 4.571428572 + -4.571428572 = 0.000000000 0.000000000 + x = -5.931582713 + -4.571428572 x = -5.931582713 + -4.571428572 Combine like terms: -5.931582713 + -4.571428572 = -10.503011285 x = -10.503011285 Simplifying x = -10.503011285Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.360154141, -10.503011285}
| -2x^3-x^2+2x+1=0 | | 46=4(1+4p)-2p | | 3x^2-5x+4k-5=0 | | 90/145 | | 4(2x-6)-3=-11 | | -10-7x=6(x+1)-3 | | 119=(4*x)+y | | 5x+8y=240 | | 35=-8(b-6)-3(1-2b) | | 8(5-3m)=-6(7-m)-8 | | 3=v-7+v | | 1-5/8x7 | | 12x+5y=-16 | | -2(-7-x)=-4-5(2+x) | | 21x^2+26x-8=0 | | 2(1-6n)=-14+4n | | -17.406=1-5.11m+5.1 | | 6+r=-8(r+6) | | ln(x)=0.2 | | 24x^2-1=-2x | | 5.5b-5+6.7=13.25 | | 8x+3y=39 | | -8(4p-6)-7=-119 | | 108=18-30r | | (x^0.4)/16=32/x^2.6 | | 10t+-5=-35 | | 3t^6/5^-5u^-2 | | 146.005=3.5(3.2-6.9n)+0.5n | | e^4x=50 | | -c-7=4 | | 10s-30=-136 | | 247=13r |