If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -15 + 38x = 0 Reorder the terms: -15 + 38x + 7x2 = 0 Solving -15 + 38x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -2.142857143 + 5.428571429x + x2 = 0 Move the constant term to the right: Add '2.142857143' to each side of the equation. -2.142857143 + 5.428571429x + 2.142857143 + x2 = 0 + 2.142857143 Reorder the terms: -2.142857143 + 2.142857143 + 5.428571429x + x2 = 0 + 2.142857143 Combine like terms: -2.142857143 + 2.142857143 = 0.000000000 0.000000000 + 5.428571429x + x2 = 0 + 2.142857143 5.428571429x + x2 = 0 + 2.142857143 Combine like terms: 0 + 2.142857143 = 2.142857143 5.428571429x + x2 = 2.142857143 The x term is 5.428571429x. Take half its coefficient (2.714285715). Square it (7.367346943) and add it to both sides. Add '7.367346943' to each side of the equation. 5.428571429x + 7.367346943 + x2 = 2.142857143 + 7.367346943 Reorder the terms: 7.367346943 + 5.428571429x + x2 = 2.142857143 + 7.367346943 Combine like terms: 2.142857143 + 7.367346943 = 9.510204086 7.367346943 + 5.428571429x + x2 = 9.510204086 Factor a perfect square on the left side: (x + 2.714285715)(x + 2.714285715) = 9.510204086 Calculate the square root of the right side: 3.083861879 Break this problem into two subproblems by setting (x + 2.714285715) equal to 3.083861879 and -3.083861879.Subproblem 1
x + 2.714285715 = 3.083861879 Simplifying x + 2.714285715 = 3.083861879 Reorder the terms: 2.714285715 + x = 3.083861879 Solving 2.714285715 + x = 3.083861879 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.714285715' to each side of the equation. 2.714285715 + -2.714285715 + x = 3.083861879 + -2.714285715 Combine like terms: 2.714285715 + -2.714285715 = 0.000000000 0.000000000 + x = 3.083861879 + -2.714285715 x = 3.083861879 + -2.714285715 Combine like terms: 3.083861879 + -2.714285715 = 0.369576164 x = 0.369576164 Simplifying x = 0.369576164Subproblem 2
x + 2.714285715 = -3.083861879 Simplifying x + 2.714285715 = -3.083861879 Reorder the terms: 2.714285715 + x = -3.083861879 Solving 2.714285715 + x = -3.083861879 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.714285715' to each side of the equation. 2.714285715 + -2.714285715 + x = -3.083861879 + -2.714285715 Combine like terms: 2.714285715 + -2.714285715 = 0.000000000 0.000000000 + x = -3.083861879 + -2.714285715 x = -3.083861879 + -2.714285715 Combine like terms: -3.083861879 + -2.714285715 = -5.798147594 x = -5.798147594 Simplifying x = -5.798147594Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.369576164, -5.798147594}
| 25/27(3/5)x=3/25 | | 0.6x+40-0.4x=50 | | 5/16(2)x=160 | | Y=6(8a+7b) | | 0.80+0(128-x)=0.08(128) | | f(0)=70+3.5x | | -5x+3=7x+2x-8 | | 4m-10-6m-30=100 | | 1/27(3)x=9 | | -4(m+6)=-19+m | | 2/3(3/8)x=9/256 | | 3x+11=2x+22 | | 4/3x-8/5=-1/2 | | -7n^2+15-16n=0 | | 6d+2=20 | | mp+mn=k | | (0.1)=0.00001 | | 39x-43=6(6x-7)+3x-1 | | X+4=9x+4-2 | | -16z+-11z+8z=19 | | 7y+2(y-9)=5(y+1)-2 | | 5/2÷-4/5 | | 6/16x=81 | | 3x-7=17x | | 0.08+0.07(11000-x)=820 | | 3x+3=3x+3c | | 4y=3(-4-2y)+12 | | 0.02(4t-8)=0.08(t+3)-0.04 | | 5(2n+6)=5n-12-n | | 5n(n)-73=-45 | | 8h+h-7h-h=14 | | 12+x=89 |