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Simplifying 7(x2 + 8) = 2x2 + -72 Reorder the terms: 7(8 + x2) = 2x2 + -72 (8 * 7 + x2 * 7) = 2x2 + -72 (56 + 7x2) = 2x2 + -72 Reorder the terms: 56 + 7x2 = -72 + 2x2 Solving 56 + 7x2 = -72 + 2x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x2' to each side of the equation. 56 + 7x2 + -2x2 = -72 + 2x2 + -2x2 Combine like terms: 7x2 + -2x2 = 5x2 56 + 5x2 = -72 + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 56 + 5x2 = -72 + 0 56 + 5x2 = -72 Add '-56' to each side of the equation. 56 + -56 + 5x2 = -72 + -56 Combine like terms: 56 + -56 = 0 0 + 5x2 = -72 + -56 5x2 = -72 + -56 Combine like terms: -72 + -56 = -128 5x2 = -128 Divide each side by '5'. x2 = -25.6 Simplifying x2 = -25.6 Reorder the terms: 25.6 + x2 = -25.6 + 25.6 Combine like terms: -25.6 + 25.6 = 0.0 25.6 + x2 = 0.0 The solution to this equation could not be determined.
| 10(42)= | | x^2+0.05x-0.6=0 | | x+x+30=516 | | 8n-(3n-6)= | | 1-(-0.2353)]/1/4.75 | | 8x+9y+400=87 | | 5(10+7)= | | X-7=48-7(X+9) | | log(x-2)+1=log(2x-1) | | L(x-2)+1=L(2x-1) | | 6(3x-26)+x=26 | | 3.4+.4+4.17= | | ln(x-2)+1=ln(2x-1) | | 9lnx+9=0 | | 30x=516 | | 1.02+.19= | | 12.4=15-xy | | 10.2+.19= | | 30/30 | | 18=w-3.8 | | 1.02+1.9= | | -2x+26=4x+8 | | 10.2+1.9= | | (3w+12)(w+12)=336 | | 10x+5y=6.8 | | (3w+12)(w+12)=0 | | 4.31-20.5= | | 9(y+6)-3(y-5)=2(y-3) | | x^-2/3x^-3y^2 | | 3x-2y=4x+2y | | 0.5y-0.1y=0.3-0.5y | | [1-(-0.2353)]/1/4.75 |