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Simplifying 2x(x + 3) = (x + 1)(2x + 5) Reorder the terms: 2x(3 + x) = (x + 1)(2x + 5) (3 * 2x + x * 2x) = (x + 1)(2x + 5) (6x + 2x2) = (x + 1)(2x + 5) Reorder the terms: 6x + 2x2 = (1 + x)(2x + 5) Reorder the terms: 6x + 2x2 = (1 + x)(5 + 2x) Multiply (1 + x) * (5 + 2x) 6x + 2x2 = (1(5 + 2x) + x(5 + 2x)) 6x + 2x2 = ((5 * 1 + 2x * 1) + x(5 + 2x)) 6x + 2x2 = ((5 + 2x) + x(5 + 2x)) 6x + 2x2 = (5 + 2x + (5 * x + 2x * x)) 6x + 2x2 = (5 + 2x + (5x + 2x2)) Combine like terms: 2x + 5x = 7x 6x + 2x2 = (5 + 7x + 2x2) Add '-2x2' to each side of the equation. 6x + 2x2 + -2x2 = 5 + 7x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 6x + 0 = 5 + 7x + 2x2 + -2x2 6x = 5 + 7x + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 6x = 5 + 7x + 0 6x = 5 + 7x Solving 6x = 5 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 6x + -7x = 5 + 7x + -7x Combine like terms: 6x + -7x = -1x -1x = 5 + 7x + -7x Combine like terms: 7x + -7x = 0 -1x = 5 + 0 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5
| -16n+14=-14n-10 | | e^2-9=0 | | 14f-17g+2(1-f)= | | (2v+4)(2v-4)= | | 18y^2-y-1=0 | | c+2=15 | | 7m^2-224=28m | | 5(2+p)=30 | | 4(x+8)=0x | | y^2-7y+12.25=0 | | 25r=20r+15 | | 52=12(.167g+3) | | 3(2x-4)=4(x+6) | | 7r^2+84=-49r | | y^2-7y+24.5=0 | | 8m^2n-24mn^2=0 | | -24-3y=4(6y-8) | | (7x+8)+(-14x+2)= | | 4n^2-13n+8=5 | | -7c+9=16+9x | | (7x+8)(5x-6)=0 | | m=1.071428571 | | 2x-9=5x+10-3x-19 | | 7x^2+17x-20=-8 | | 2a^2-19a+35=0 | | 183=3(6.5(m)) | | 16n+14=-14n-10 | | Y+10=-5x | | 7k^2+54k+13=5 | | 42+36=-4b-14 | | 3r+2s-9r-8+7s-12+r= | | Y-8=15x |