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Simplifying f(x) = -0.5(x + 7)(x + -3) Multiply f * x fx = -0.5(x + 7)(x + -3) Reorder the terms: fx = -0.5(7 + x)(x + -3) Reorder the terms: fx = -0.5(7 + x)(-3 + x) Multiply (7 + x) * (-3 + x) fx = -0.5(7(-3 + x) + x(-3 + x)) fx = -0.5((-3 * 7 + x * 7) + x(-3 + x)) fx = -0.5((-21 + 7x) + x(-3 + x)) fx = -0.5(-21 + 7x + (-3 * x + x * x)) fx = -0.5(-21 + 7x + (-3x + x2)) Combine like terms: 7x + -3x = 4x fx = -0.5(-21 + 4x + x2) fx = (-21 * -0.5 + 4x * -0.5 + x2 * -0.5) fx = (10.5 + -2x + -0.5x2) Solving fx = 10.5 + -2x + -0.5x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = 10.5x-1 + -2 + -0.5x Simplifying f = 10.5x-1 + -2 + -0.5x Reorder the terms: f = -2 + 10.5x-1 + -0.5x
| 2x+5=3x-30 | | 0.5(4-6x)-2(0.5x-4)=26 | | 6[c+6]=6 | | n+45=32 | | 68-x=78-2x | | 4x-15-3x=-6 | | (4u+6)(1-u)=0 | | dover-7=7 | | 5(v-1)=-4v+22 | | Z/6=14 | | 29=-7t-6 | | 4x-6=5x-70 | | MK= | | 3c+6=27 | | 21=-7t-7 | | 21=7t-7 | | 3x+5=19-x | | 6x^2-32x-14=0 | | (-6x^2+2y-1)+(2x^2-5y+3)= | | 130+75(x-5)(x-35)(x+30)=540 | | 8w=3520 | | 5(4a+3b)-(2a+3b)= | | 3(c-16)=-15 | | 6x+6=7x+20 | | 4x+x+9=180 | | -14+2x=11 | | 3(2g+7)=5(12+4g)+3 | | (7-6p^2-8q)-(-2-2p^2-4q)= | | 28-2p=16 | | -30x-5=120 | | X^3+11=22 | | -30-5=120 |