If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 = 4x + 7 Reorder the terms: 7x2 = 7 + 4x Solving 7x2 = 7 + 4x Solving for variable 'x'. Reorder the terms: -7 + -4x + 7x2 = 7 + 4x + -7 + -4x Reorder the terms: -7 + -4x + 7x2 = 7 + -7 + 4x + -4x Combine like terms: 7 + -7 = 0 -7 + -4x + 7x2 = 0 + 4x + -4x -7 + -4x + 7x2 = 4x + -4x Combine like terms: 4x + -4x = 0 -7 + -4x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -1 + -0.5714285714x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + -0.5714285714x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + -0.5714285714x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -0.5714285714x + x2 = 0 + 1 -0.5714285714x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 -0.5714285714x + x2 = 1 The x term is -0.5714285714x. Take half its coefficient (-0.2857142857). Square it (0.08163265305) and add it to both sides. Add '0.08163265305' to each side of the equation. -0.5714285714x + 0.08163265305 + x2 = 1 + 0.08163265305 Reorder the terms: 0.08163265305 + -0.5714285714x + x2 = 1 + 0.08163265305 Combine like terms: 1 + 0.08163265305 = 1.08163265305 0.08163265305 + -0.5714285714x + x2 = 1.08163265305 Factor a perfect square on the left side: (x + -0.2857142857)(x + -0.2857142857) = 1.08163265305 Calculate the square root of the right side: 1.040015698 Break this problem into two subproblems by setting (x + -0.2857142857) equal to 1.040015698 and -1.040015698.Subproblem 1
x + -0.2857142857 = 1.040015698 Simplifying x + -0.2857142857 = 1.040015698 Reorder the terms: -0.2857142857 + x = 1.040015698 Solving -0.2857142857 + x = 1.040015698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2857142857' to each side of the equation. -0.2857142857 + 0.2857142857 + x = 1.040015698 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + x = 1.040015698 + 0.2857142857 x = 1.040015698 + 0.2857142857 Combine like terms: 1.040015698 + 0.2857142857 = 1.3257299837 x = 1.3257299837 Simplifying x = 1.3257299837Subproblem 2
x + -0.2857142857 = -1.040015698 Simplifying x + -0.2857142857 = -1.040015698 Reorder the terms: -0.2857142857 + x = -1.040015698 Solving -0.2857142857 + x = -1.040015698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2857142857' to each side of the equation. -0.2857142857 + 0.2857142857 + x = -1.040015698 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + x = -1.040015698 + 0.2857142857 x = -1.040015698 + 0.2857142857 Combine like terms: -1.040015698 + 0.2857142857 = -0.7543014123 x = -0.7543014123 Simplifying x = -0.7543014123Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.3257299837, -0.7543014123}
| (m+9)(m+6)=0 | | -9.5x+7.2=3.5x+19.4 | | 42/2-4.50 | | 117117+3x=180 | | -3/7x21 | | 42=2t | | 2/3×x=-6 | | x^2+25=2x^2+8x+1 | | (3-t/6)/(9-t^2/15) | | -5x-10=2 | | 8/5(x-(-9)) | | 21.6=.08*2x | | -3/8y=-3 | | 2.8125/9=5/16 | | 5s=15-10s | | 3y+3=48 | | 5.82=x/(√(1-(x/7)^2)^-2) | | 9u=3v-54graph | | 5(x+27)=189 | | 8y+-14=-14 | | 3(x+6)=2(x-6) | | 25x^2-40x+25=0 | | 17-2p=5+4p | | 0=-16x^2+150x+8 | | 8y+-14=14 | | 16(x-2)=24(x-3) | | y+4=.2(x-10) | | 5.82=x/(1-(x/7)^2) | | -4x+3x+2=0 | | Y=(x-5)(x+1) | | y=2(-6)-14 | | 7x+3=6x-4 |