If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -2x2 + -4x + 16 = 1 Reorder the terms: 16 + -4x + -2x2 = 1 Solving 16 + -4x + -2x2 = 1 Solving for variable 'x'. Reorder the terms: 16 + -1 + -4x + -2x2 = 1 + -1 Combine like terms: 16 + -1 = 15 15 + -4x + -2x2 = 1 + -1 Combine like terms: 1 + -1 = 0 15 + -4x + -2x2 = 0 Begin completing the square. Divide all terms by -2 the coefficient of the squared term: Divide each side by '-2'. -7.5 + 2x + x2 = 0 Move the constant term to the right: Add '7.5' to each side of the equation. -7.5 + 2x + 7.5 + x2 = 0 + 7.5 Reorder the terms: -7.5 + 7.5 + 2x + x2 = 0 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + 2x + x2 = 0 + 7.5 2x + x2 = 0 + 7.5 Combine like terms: 0 + 7.5 = 7.5 2x + x2 = 7.5 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 7.5 + 1 Reorder the terms: 1 + 2x + x2 = 7.5 + 1 Combine like terms: 7.5 + 1 = 8.5 1 + 2x + x2 = 8.5 Factor a perfect square on the left side: (x + 1)(x + 1) = 8.5 Calculate the square root of the right side: 2.915475947 Break this problem into two subproblems by setting (x + 1) equal to 2.915475947 and -2.915475947.Subproblem 1
x + 1 = 2.915475947 Simplifying x + 1 = 2.915475947 Reorder the terms: 1 + x = 2.915475947 Solving 1 + x = 2.915475947 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 + x = 2.915475947 + -1 Combine like terms: 1 + -1 = 0 0 + x = 2.915475947 + -1 x = 2.915475947 + -1 Combine like terms: 2.915475947 + -1 = 1.915475947 x = 1.915475947 Simplifying x = 1.915475947Subproblem 2
x + 1 = -2.915475947 Simplifying x + 1 = -2.915475947 Reorder the terms: 1 + x = -2.915475947 Solving 1 + x = -2.915475947 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 + x = -2.915475947 + -1 Combine like terms: 1 + -1 = 0 0 + x = -2.915475947 + -1 x = -2.915475947 + -1 Combine like terms: -2.915475947 + -1 = -3.915475947 x = -3.915475947 Simplifying x = -3.915475947Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.915475947, -3.915475947}
| 7x/y-2/y | | 1.05/.20 | | Z-8=-13 | | -2x^2-4x+16=0 | | A-5=72 | | x=34x/x | | y/11-6=1 | | S+(-5)=4 | | y=2x^2-11+12 | | 2x+4y=57 | | 8x+1=8x-8 | | 2x-3x=23 | | 0=7x+7 | | -10.4+3.2=5f+4 | | 5x+7x-2=3(4x+9) | | 4x+8x-9=3(4x+1) | | 4y1/2 | | 2x-4(x-2)=-8+5x-12 | | -50+25= | | 4x+2x=488 | | 3.3g+2.8=2.5-1.2 | | 12x-9=12-5x | | s=2g+3v | | 2x-3=7+6x | | B+2=34-3b | | (3a-2b)=(3a+2b) | | (2/6)8 | | 2x^2+13-7=y | | 14*25= | | (3/5)7 | | -6q+-45=3 | | 5-10cos^2x=sinx |