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Simplifying (2x + -3)(2x + -3) + (2x + 3)(2x + 3) = 8x(x + 2) Reorder the terms: (-3 + 2x)(2x + -3) + (2x + 3)(2x + 3) = 8x(x + 2) Reorder the terms: (-3 + 2x)(-3 + 2x) + (2x + 3)(2x + 3) = 8x(x + 2) Multiply (-3 + 2x) * (-3 + 2x) (-3(-3 + 2x) + 2x * (-3 + 2x)) + (2x + 3)(2x + 3) = 8x(x + 2) ((-3 * -3 + 2x * -3) + 2x * (-3 + 2x)) + (2x + 3)(2x + 3) = 8x(x + 2) ((9 + -6x) + 2x * (-3 + 2x)) + (2x + 3)(2x + 3) = 8x(x + 2) (9 + -6x + (-3 * 2x + 2x * 2x)) + (2x + 3)(2x + 3) = 8x(x + 2) (9 + -6x + (-6x + 4x2)) + (2x + 3)(2x + 3) = 8x(x + 2) Combine like terms: -6x + -6x = -12x (9 + -12x + 4x2) + (2x + 3)(2x + 3) = 8x(x + 2) Reorder the terms: 9 + -12x + 4x2 + (3 + 2x)(2x + 3) = 8x(x + 2) Reorder the terms: 9 + -12x + 4x2 + (3 + 2x)(3 + 2x) = 8x(x + 2) Multiply (3 + 2x) * (3 + 2x) 9 + -12x + 4x2 + (3(3 + 2x) + 2x * (3 + 2x)) = 8x(x + 2) 9 + -12x + 4x2 + ((3 * 3 + 2x * 3) + 2x * (3 + 2x)) = 8x(x + 2) 9 + -12x + 4x2 + ((9 + 6x) + 2x * (3 + 2x)) = 8x(x + 2) 9 + -12x + 4x2 + (9 + 6x + (3 * 2x + 2x * 2x)) = 8x(x + 2) 9 + -12x + 4x2 + (9 + 6x + (6x + 4x2)) = 8x(x + 2) Combine like terms: 6x + 6x = 12x 9 + -12x + 4x2 + (9 + 12x + 4x2) = 8x(x + 2) Reorder the terms: 9 + 9 + -12x + 12x + 4x2 + 4x2 = 8x(x + 2) Combine like terms: 9 + 9 = 18 18 + -12x + 12x + 4x2 + 4x2 = 8x(x + 2) Combine like terms: -12x + 12x = 0 18 + 0 + 4x2 + 4x2 = 8x(x + 2) 18 + 4x2 + 4x2 = 8x(x + 2) Combine like terms: 4x2 + 4x2 = 8x2 18 + 8x2 = 8x(x + 2) Reorder the terms: 18 + 8x2 = 8x(2 + x) 18 + 8x2 = (2 * 8x + x * 8x) 18 + 8x2 = (16x + 8x2) Add '-8x2' to each side of the equation. 18 + 8x2 + -8x2 = 16x + 8x2 + -8x2 Combine like terms: 8x2 + -8x2 = 0 18 + 0 = 16x + 8x2 + -8x2 18 = 16x + 8x2 + -8x2 Combine like terms: 8x2 + -8x2 = 0 18 = 16x + 0 18 = 16x Solving 18 = 16x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16x' to each side of the equation. 18 + -16x = 16x + -16x Combine like terms: 16x + -16x = 0 18 + -16x = 0 Add '-18' to each side of the equation. 18 + -18 + -16x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -16x = 0 + -18 -16x = 0 + -18 Combine like terms: 0 + -18 = -18 -16x = -18 Divide each side by '-16'. x = 1.125 Simplifying x = 1.125
| 123-5x=4x+6 | | -18=-6c | | -46-3x=8-9x | | 79-5x=10x+19 | | 3x+5=75-4x | | 5x-18=4x-18 | | 4+3W=22 | | 2(x+3)=14 | | 2(4-(x)+2x)=12 | | 6q+1=-11 | | 9+4c=-3 | | 3x+19=12x-62 | | 8p-1=6p-5 | | 4u-3=5 | | 8+5c=7c | | .125(5y+64)=.25(20+2y) | | 5x-2y=3y+2 | | 6x^2+5x-4=0 | | 4ab=6bc-5b+a | | -15=-4(m)+5 | | -3=-4k+k | | 5=-2x+9 | | -6z=-18 | | x^3+15x=124 | | 0.5(x+4)+3=2x(4.5+.75) | | 7(3b+c-4a)-8(a-3c+6b)= | | 5(-1+6x)=145 | | 8=6a-4a | | 13(3a+2b)-7(6a+4)= | | 2(-7x-1)=68 | | 4x^2-19x+55=9+10 | | 3(-4+6x)=60 |