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Simplifying (5x2 + 2x + -6) + (2x2 + 2x + 15) + -1(7x2 + -14) = 0 Reorder the terms: (-6 + 2x + 5x2) + (2x2 + 2x + 15) + -1(7x2 + -14) = 0 Remove parenthesis around (-6 + 2x + 5x2) -6 + 2x + 5x2 + (2x2 + 2x + 15) + -1(7x2 + -14) = 0 Reorder the terms: -6 + 2x + 5x2 + (15 + 2x + 2x2) + -1(7x2 + -14) = 0 Remove parenthesis around (15 + 2x + 2x2) -6 + 2x + 5x2 + 15 + 2x + 2x2 + -1(7x2 + -14) = 0 Reorder the terms: -6 + 2x + 5x2 + 15 + 2x + 2x2 + -1(-14 + 7x2) = 0 -6 + 2x + 5x2 + 15 + 2x + 2x2 + (-14 * -1 + 7x2 * -1) = 0 -6 + 2x + 5x2 + 15 + 2x + 2x2 + (14 + -7x2) = 0 Reorder the terms: -6 + 15 + 14 + 2x + 2x + 5x2 + 2x2 + -7x2 = 0 Combine like terms: -6 + 15 = 9 9 + 14 + 2x + 2x + 5x2 + 2x2 + -7x2 = 0 Combine like terms: 9 + 14 = 23 23 + 2x + 2x + 5x2 + 2x2 + -7x2 = 0 Combine like terms: 2x + 2x = 4x 23 + 4x + 5x2 + 2x2 + -7x2 = 0 Combine like terms: 5x2 + 2x2 = 7x2 23 + 4x + 7x2 + -7x2 = 0 Combine like terms: 7x2 + -7x2 = 0 23 + 4x + 0 = 0 23 + 4x = 0 Solving 23 + 4x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + 4x = 0 + -23 Combine like terms: 23 + -23 = 0 0 + 4x = 0 + -23 4x = 0 + -23 Combine like terms: 0 + -23 = -23 4x = -23 Divide each side by '4'. x = -5.75 Simplifying x = -5.75
| x+54=5x | | 50-2*[14-18]-7= | | 0=x^3+6x^2-2x-4 | | x(x-6)=6x | | n+x+p=168 | | 0=6x^2+5x-6 | | -4.1(y-1.4)=-6.8 | | y*5=0 | | 5-4(3x+1)=1+4(2x+20) | | 50-2x[14-18]-7= | | 7-21xa=0 | | 0=20x^2+9x-20 | | -2(y+5)=-31 | | 4z+2z=5z-9 | | x-8y^3=0 | | -2(y+5)=-13 | | 3x-8y+2x-5+5y= | | 17z=-3 | | 5(3.5c+2.5)=-30.5-7.5c | | -0.2p+3.3+6=30 | | 3x-2y=x+1 | | -2X+7X+5=2+5x+8 | | 7x-9x+2=x-3+5 | | 2(3x-4)-x=2x-1 | | -4.1(y-4.1)=6.8 | | -4+9.5(1+9d)=26.5 | | x^2-20x-9=0 | | 1/2(y-2)+2=3/4(5y-16) | | 2n+3=33 | | x^3-36x-84=0 | | 5y+6x=-35 | | -0.1p+0.18p+6=30 |