If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2.7x2 + 6.7x + -5 = 0 Reorder the terms: -5 + 6.7x + 2.7x2 = 0 Solving -5 + 6.7x + 2.7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2.7 the coefficient of the squared term: Divide each side by '2.7'. -1.851851852 + 2.481481481x + x2 = 0 Move the constant term to the right: Add '1.851851852' to each side of the equation. -1.851851852 + 2.481481481x + 1.851851852 + x2 = 0 + 1.851851852 Reorder the terms: -1.851851852 + 1.851851852 + 2.481481481x + x2 = 0 + 1.851851852 Combine like terms: -1.851851852 + 1.851851852 = 0.000000000 0.000000000 + 2.481481481x + x2 = 0 + 1.851851852 2.481481481x + x2 = 0 + 1.851851852 Combine like terms: 0 + 1.851851852 = 1.851851852 2.481481481x + x2 = 1.851851852 The x term is 2.481481481x. Take half its coefficient (1.240740741). Square it (1.539437586) and add it to both sides. Add '1.539437586' to each side of the equation. 2.481481481x + 1.539437586 + x2 = 1.851851852 + 1.539437586 Reorder the terms: 1.539437586 + 2.481481481x + x2 = 1.851851852 + 1.539437586 Combine like terms: 1.851851852 + 1.539437586 = 3.391289438 1.539437586 + 2.481481481x + x2 = 3.391289438 Factor a perfect square on the left side: (x + 1.240740741)(x + 1.240740741) = 3.391289438 Calculate the square root of the right side: 1.841545394 Break this problem into two subproblems by setting (x + 1.240740741) equal to 1.841545394 and -1.841545394.Subproblem 1
x + 1.240740741 = 1.841545394 Simplifying x + 1.240740741 = 1.841545394 Reorder the terms: 1.240740741 + x = 1.841545394 Solving 1.240740741 + x = 1.841545394 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.240740741' to each side of the equation. 1.240740741 + -1.240740741 + x = 1.841545394 + -1.240740741 Combine like terms: 1.240740741 + -1.240740741 = 0.000000000 0.000000000 + x = 1.841545394 + -1.240740741 x = 1.841545394 + -1.240740741 Combine like terms: 1.841545394 + -1.240740741 = 0.600804653 x = 0.600804653 Simplifying x = 0.600804653Subproblem 2
x + 1.240740741 = -1.841545394 Simplifying x + 1.240740741 = -1.841545394 Reorder the terms: 1.240740741 + x = -1.841545394 Solving 1.240740741 + x = -1.841545394 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.240740741' to each side of the equation. 1.240740741 + -1.240740741 + x = -1.841545394 + -1.240740741 Combine like terms: 1.240740741 + -1.240740741 = 0.000000000 0.000000000 + x = -1.841545394 + -1.240740741 x = -1.841545394 + -1.240740741 Combine like terms: -1.841545394 + -1.240740741 = -3.082286135 x = -3.082286135 Simplifying x = -3.082286135Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.600804653, -3.082286135}
| -21+12x=10x+7 | | 4+4a=0 | | -2x-7-2x=-55 | | 18j+9=-9(-2j-1) | | 6m-2=-80 | | 9x^2-14=50 | | 12x-12=11x+12 | | 6x-67=77-3x | | 2+x+7x=-54 | | 11x-107=4x+54 | | x^5-25x-25=0 | | 5x^2-4x=8 | | 10-8=3b-1 | | 9k^2=24 | | 9x-61=129-x | | 16=x-2x+7 | | .5*15*h=30 | | 2x^2+3x^2=4x^2 | | 4x^2+32x-1=0 | | -52+8x=92-x | | (3-7m)+2(3.5+1)= | | 3(-2x+3)=-33 | | -91+6x=69-2x | | 7b-8=3b | | 5(10x-3)=7 | | a+a+10+a+15=225 | | 5c-4c=6c-2 | | -3x-96=-10x+30 | | 1x+16y= | | 12x-2x+5=85 | | 10x-81=x+72 | | -7(x+8)-3=-59 |