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Simplifying f(x) = (x + 2)(x + -2) Multiply f * x fx = (x + 2)(x + -2) Reorder the terms: fx = (2 + x)(x + -2) Reorder the terms: fx = (2 + x)(-2 + x) Multiply (2 + x) * (-2 + x) fx = (2(-2 + x) + x(-2 + x)) fx = ((-2 * 2 + x * 2) + x(-2 + x)) fx = ((-4 + 2x) + x(-2 + x)) fx = (-4 + 2x + (-2 * x + x * x)) fx = (-4 + 2x + (-2x + x2)) Combine like terms: 2x + -2x = 0 fx = (-4 + 0 + x2) fx = (-4 + x2) Solving fx = -4 + x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -4x-1 + x Simplifying f = -4x-1 + x
| x^5+5x^3-6x^2=0 | | (2x-3y)2= | | 22x+18y=40 | | 1.33333333*b=300 | | 8x-3x+2(-x)=20 | | 4x+2-3x=4+2x | | 0.7(5x+4)=1.1-(x+3) | | 7m+6n+4m+8n= | | 0.7(2x+5)=1.1-(x+4) | | 35y+5=15 | | 2=2(3)+b | | 7+42x=21x+19 | | 30x-2x= | | 13+3.75-(-x)=4.5 | | 0.7(4x+2)=1.1-(x+5) | | 6x^2-6x+5=0 | | 90-(-x+3)=4x | | 2x-y+130=180 | | 4x-2+2x+17=7x-3 | | 9b-(8-c)=22 | | 3-(2x+5)=7(x+3)-2(4-3x) | | 4x-9=3x-16 | | (x^2)+x+-20=0 | | 0.7(4x+5)=1.1-(x+2) | | 6x+53=9x-10 | | 4(a+16)=6 | | 30-3x=5-8x | | -4+4x=-6+9x | | 9x-8x+2=11 | | 4(r-2)+2(r+1)=12 | | 2x+5=-19-2x | | x+y+130=180 |