If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (2x2 + 5x + 7) + -1(3x2 + 7x) = 0 Reorder the terms: (7 + 5x + 2x2) + -1(3x2 + 7x) = 0 Remove parenthesis around (7 + 5x + 2x2) 7 + 5x + 2x2 + -1(3x2 + 7x) = 0 Reorder the terms: 7 + 5x + 2x2 + -1(7x + 3x2) = 0 7 + 5x + 2x2 + (7x * -1 + 3x2 * -1) = 0 7 + 5x + 2x2 + (-7x + -3x2) = 0 Reorder the terms: 7 + 5x + -7x + 2x2 + -3x2 = 0 Combine like terms: 5x + -7x = -2x 7 + -2x + 2x2 + -3x2 = 0 Combine like terms: 2x2 + -3x2 = -1x2 7 + -2x + -1x2 = 0 Solving 7 + -2x + -1x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -7 + 2x + x2 = 0 Move the constant term to the right: Add '7' to each side of the equation. -7 + 2x + 7 + x2 = 0 + 7 Reorder the terms: -7 + 7 + 2x + x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 2x + x2 = 0 + 7 2x + x2 = 0 + 7 Combine like terms: 0 + 7 = 7 2x + x2 = 7 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 + 1 Reorder the terms: 1 + 2x + x2 = 7 + 1 Combine like terms: 7 + 1 = 8 1 + 2x + x2 = 8 Factor a perfect square on the left side: (x + 1)(x + 1) = 8 Calculate the square root of the right side: 2.828427125 Break this problem into two subproblems by setting (x + 1) equal to 2.828427125 and -2.828427125.Subproblem 1
x + 1 = 2.828427125 Simplifying x + 1 = 2.828427125 Reorder the terms: 1 + x = 2.828427125 Solving 1 + x = 2.828427125 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 = 2.828427125 + -1 Combine like terms: 1 + -1 = 0 0 + x = 2.828427125 + -1 x = 2.828427125 + -1 Combine like terms: 2.828427125 + -1 = 1.828427125 x = 1.828427125 Simplifying x = 1.828427125Subproblem 2
x + 1 = -2.828427125 Simplifying x + 1 = -2.828427125 Reorder the terms: 1 + x = -2.828427125 Solving 1 + x = -2.828427125 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 = -2.828427125 + -1 Combine like terms: 1 + -1 = 0 0 + x = -2.828427125 + -1 x = -2.828427125 + -1 Combine like terms: -2.828427125 + -1 = -3.828427125 x = -3.828427125 Simplifying x = -3.828427125Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.828427125, -3.828427125}
| y=3x-65x+76 | | -32=p-28 | | x+4/x-6=x-6/x+9 | | 8x^2=5x^2+9x+3 | | c^2+16c-36=0 | | 6=2z | | 2+x=-14+7 | | h+5=7 | | 0.5x+2=3 | | 8h+19=99 | | 10+3x=6x+25 | | x^2-2x+8= | | k-8=5 | | 3x(-5x)=55 | | 8=8+y | | x^2+(x/3)^2=40 | | 8x^2+12x+4= | | -21x+2+22x=6 | | 9x^3-x= | | 8v^2/2v+7 | | (3x+7)(27-x^3)=0 | | 6x-10=25 | | 60z^6-118z^5+56z^4=0 | | Y+49=13 | | 0=0.25x-0.75(x-1) | | y+1=-1 | | 9j+2-12j=18 | | 20.24=0.028t+20.8 | | 52g-18=102-8g | | 5X/6=2/3 | | 0=x*0.25-(x-1)*0.75 | | 8=R+5 |