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Simplifying (x + 8)(x + 8) + -1(x + 3)(x + -3) = 185 Reorder the terms: (8 + x)(x + 8) + -1(x + 3)(x + -3) = 185 Reorder the terms: (8 + x)(8 + x) + -1(x + 3)(x + -3) = 185 Multiply (8 + x) * (8 + x) (8(8 + x) + x(8 + x)) + -1(x + 3)(x + -3) = 185 ((8 * 8 + x * 8) + x(8 + x)) + -1(x + 3)(x + -3) = 185 ((64 + 8x) + x(8 + x)) + -1(x + 3)(x + -3) = 185 (64 + 8x + (8 * x + x * x)) + -1(x + 3)(x + -3) = 185 (64 + 8x + (8x + x2)) + -1(x + 3)(x + -3) = 185 Combine like terms: 8x + 8x = 16x (64 + 16x + x2) + -1(x + 3)(x + -3) = 185 Reorder the terms: 64 + 16x + x2 + -1(3 + x)(x + -3) = 185 Reorder the terms: 64 + 16x + x2 + -1(3 + x)(-3 + x) = 185 Multiply (3 + x) * (-3 + x) 64 + 16x + x2 + -1(3(-3 + x) + x(-3 + x)) = 185 64 + 16x + x2 + -1((-3 * 3 + x * 3) + x(-3 + x)) = 185 64 + 16x + x2 + -1((-9 + 3x) + x(-3 + x)) = 185 64 + 16x + x2 + -1(-9 + 3x + (-3 * x + x * x)) = 185 64 + 16x + x2 + -1(-9 + 3x + (-3x + x2)) = 185 Combine like terms: 3x + -3x = 0 64 + 16x + x2 + -1(-9 + 0 + x2) = 185 64 + 16x + x2 + -1(-9 + x2) = 185 64 + 16x + x2 + (-9 * -1 + x2 * -1) = 185 64 + 16x + x2 + (9 + -1x2) = 185 Reorder the terms: 64 + 9 + 16x + x2 + -1x2 = 185 Combine like terms: 64 + 9 = 73 73 + 16x + x2 + -1x2 = 185 Combine like terms: x2 + -1x2 = 0 73 + 16x + 0 = 185 73 + 16x = 185 Solving 73 + 16x = 185 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-73' to each side of the equation. 73 + -73 + 16x = 185 + -73 Combine like terms: 73 + -73 = 0 0 + 16x = 185 + -73 16x = 185 + -73 Combine like terms: 185 + -73 = 112 16x = 112 Divide each side by '16'. x = 7 Simplifying x = 7
| -2(3x+5)+3(4x-7)=5 | | (10x-4)+16y=180 | | (5z+2)(4+z)=0 | | x^4-3x^3-x^2+5x+2=0 | | 3x+4=-20x+24 | | x+0.05x=203.70 | | 3e^3x=1557 | | -9-2p=4p-(4+7p) | | 5s-s=234 | | 4+x=2x+3 | | x-(3x+2)=5-2x | | 10=3y-5 | | w/2-7=3 | | 5s-4s=234 | | -[7z-(10z+8)]=8+(2z+5) | | 1.07-1.09y+y=1.00 | | 6(-3-8x)+4=-8x-14 | | x=6-1.5*0 | | x+1.8x=56 | | x+1.8=56 | | 0.3c-8.5=1+1.7 | | 80-7.42p=35.48 | | 24=2r+4+3r | | 25-.12m=22.96 | | -3.6*10= | | 24=3r+4+3r | | X^2-12x+85=0 | | x(10.01)+y(11.01)=10.81 | | 6+.8m=16.96 | | 4.2(6+0.43)= | | 1.00-1y(10.01)+y(11.01)=10.81 | | 17.99+.74m=203.73 |