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Simplifying 4x + -11 = 7x2 Reorder the terms: -11 + 4x = 7x2 Solving -11 + 4x = 7x2 Solving for variable 'x'. Combine like terms: 7x2 + -7x2 = 0 -11 + 4x + -7x2 = 0 Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. 1.571428571 + -0.5714285714x + x2 = 0 Move the constant term to the right: Add '-1.571428571' to each side of the equation. 1.571428571 + -0.5714285714x + -1.571428571 + x2 = 0 + -1.571428571 Reorder the terms: 1.571428571 + -1.571428571 + -0.5714285714x + x2 = 0 + -1.571428571 Combine like terms: 1.571428571 + -1.571428571 = 0.000000000 0.000000000 + -0.5714285714x + x2 = 0 + -1.571428571 -0.5714285714x + x2 = 0 + -1.571428571 Combine like terms: 0 + -1.571428571 = -1.571428571 -0.5714285714x + x2 = -1.571428571 The x term is -0.5714285714x. Take half its coefficient (-0.2857142857). Square it (0.08163265305) and add it to both sides. Add '0.08163265305' to each side of the equation. -0.5714285714x + 0.08163265305 + x2 = -1.571428571 + 0.08163265305 Reorder the terms: 0.08163265305 + -0.5714285714x + x2 = -1.571428571 + 0.08163265305 Combine like terms: -1.571428571 + 0.08163265305 = -1.48979591795 0.08163265305 + -0.5714285714x + x2 = -1.48979591795 Factor a perfect square on the left side: (x + -0.2857142857)(x + -0.2857142857) = -1.48979591795 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 4y+x=2x+2y | | 5+.75n=15 | | y+0.45=0.1 | | 1.4-1.6(t+6)=-5 | | -4n+-5= | | 3-105=2b-9 | | 4x[(79-4)+30]+15= | | -2w(w+1)+5w=3(w+1)-2 | | -2m^2+8m+4=0 | | 20=14x-18 | | 235+0.75x=125+1.63x | | 3w-7=4w-4 | | -4y-11x=39 | | 3(1-1y)=12 | | 1k= | | 4x[(79-4)-30]+15= | | -10-1x=3x+12 | | 6(4o-0)=36 | | 4y-3=2y-5 | | 25/3= | | [4x(79-4)]+(30+15)= | | a+a+5+a+3=-1.254 | | 4.07-3n=.35 | | 13=9-8y | | 101+x=92 | | 4x(79-4)-(30+15)= | | x=26 | | 2x(1x+3)=32 | | 7x+4=5x+6 | | 1(10-x)=3(x+4) | | 2x(1x+2)=12 | | 0=14t-26 |