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Simplifying 7y2 + 28y = 0 Reorder the terms: 28y + 7y2 = 0 Solving 28y + 7y2 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '7y'. 7y(4 + y) = 0 Ignore the factor 7.Subproblem 1
Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0Subproblem 2
Set the factor '(4 + y)' equal to zero and attempt to solve: Simplifying 4 + y = 0 Solving 4 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + y = 0 + -4 y = 0 + -4 Combine like terms: 0 + -4 = -4 y = -4 Simplifying y = -4Solution
y = {0, -4}
| 2x-50=825 | | 2x+50=121-5x | | 9=3x+21 | | 7h+21=6h-3 | | -10+3x= | | X+(X+1)+(X+2)=-360 | | 2.7x+68=4.2x+26 | | 5x-6=5x-15 | | -13-5m=-4+4m | | 5h-6-1h+10=12 | | 13.0d+3=4.7d+33.71 | | 2q-8=3q+6 | | X+1=-2x+2 | | m=0.3333333333+0.6666666667(0) | | 7x-3.2=4x+1 | | 502.61x+19%=x | | b+1=3-2 | | -6(-5r-7)-3r=-30+3r | | 7-3(5t-20)=67 | | 3(1-6x)=93 | | 3/4z+1/4z-6=-5 | | 4(b+4)-7=22 | | Z-5z=7z-7-z | | 502.61+19%=x | | 3(10+5X)=30 | | 3(7x-4)+4(6-2x)=3(4x+2)-5 | | -4+9=12x-2-11x | | 4(b+4)-7=23 | | (b+45)+(2b-90)+90+b+3/2b=540 | | -2=0.3333333333+0.6666666667n | | 502.61+19%x=502.61 | | 10-s+6(2+s)=100 |