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Simplifying (x2 + 4x + 4) + -1(x2 + -6x + 9) = 0 Reorder the terms: (4 + 4x + x2) + -1(x2 + -6x + 9) = 0 Remove parenthesis around (4 + 4x + x2) 4 + 4x + x2 + -1(x2 + -6x + 9) = 0 Reorder the terms: 4 + 4x + x2 + -1(9 + -6x + x2) = 0 4 + 4x + x2 + (9 * -1 + -6x * -1 + x2 * -1) = 0 4 + 4x + x2 + (-9 + 6x + -1x2) = 0 Reorder the terms: 4 + -9 + 4x + 6x + x2 + -1x2 = 0 Combine like terms: 4 + -9 = -5 -5 + 4x + 6x + x2 + -1x2 = 0 Combine like terms: 4x + 6x = 10x -5 + 10x + x2 + -1x2 = 0 Combine like terms: x2 + -1x2 = 0 -5 + 10x + 0 = 0 -5 + 10x = 0 Solving -5 + 10x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 10x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 10x = 0 + 5 10x = 0 + 5 Combine like terms: 0 + 5 = 5 10x = 5 Divide each side by '10'. x = 0.5 Simplifying x = 0.5
| w+7-w+w+7-w=40 | | (s)+(10+s)+2(10+s+s)=180 | | 3x+(7x+12)=154 | | 3x-20=5x-8 | | 3.1x+3y=24.4 | | x^2=526 | | 2(4y-5)=-10 | | 2x+5=-60-10x | | 4-4m=32 | | -7y+2(8y+1)=8 | | s(-x-4)=14s^2-4 | | -3.2(5d-7)=-17.61 | | 4(3x-6)+16=420 | | 6(x*x-2)+1-16+x= | | 27.28=16 | | 7x+4-3x-5=7 | | 5a+10=10(a+3) | | 4(2x-6)+16=420 | | -10k+10-6k=-14k-12 | | 1000=655.096+9.563(55)+1.85(172)-4.676(70) | | 12-2y=-2 | | -0.25(4u-8)=0.5(4-2u) | | 7(x+4)+x=2(x+4)-8 | | 7x+7=15-x | | S=2rt+1fort | | 12x+8=5x+29 | | 1/2+4=12 | | S=2rt+1 | | 6n+13=5n-8 | | 3.45+(1.75*8)= | | -9+3n=45 | | -2x-11=3x+14 |