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Simplifying x2 + -3x + 9 + 6 = 0 Reorder the terms: 9 + 6 + -3x + x2 = 0 Combine like terms: 9 + 6 = 15 15 + -3x + x2 = 0 Solving 15 + -3x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-15' to each side of the equation. 15 + -3x + -15 + x2 = 0 + -15 Reorder the terms: 15 + -15 + -3x + x2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -3x + x2 = 0 + -15 -3x + x2 = 0 + -15 Combine like terms: 0 + -15 = -15 -3x + x2 = -15 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = -15 + 2.25 Reorder the terms: 2.25 + -3x + x2 = -15 + 2.25 Combine like terms: -15 + 2.25 = -12.75 2.25 + -3x + x2 = -12.75 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = -12.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
| m/55=1 | | 4n+11=-25 | | 24=6(2-x) | | 2.4t+7.5=21.9 | | 2000=-150x+225x-3.5 | | (40-2n)(600+5)= | | 2000=-150x+225x+3.5 | | 3/4=15/i | | 6(y-4)=6 | | 2000=150x-225x+3.5 | | a-4b=-14 | | 0.5y-2=0.25x | | 2000=150x+225x+3.5 | | 2000=150x+225x-3.5 | | (40-2n)(600-5)= | | n/-5.3=-2.1 | | 22=n+36 | | 12-8m+5m=6-5m | | (40+2n)(600-5)= | | 19=-4(y+5)+y | | 0.5y-2=0.25 | | 1/x=.08 | | 5(1+2y)=65 | | (40+5n)(600-2)= | | 2000=150x-225(X+3.5) | | (40-5n)(600-2)= | | b+2=5b-6 | | 2x+50=102 | | 4(2y-1)=28 | | X^3+0+0-1=0 | | (40-5n)(600+2)= | | 2000=225x-150(X+3.5) |