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Simplifying f(x) = (5x + -3)(6x + 7) Multiply f * x fx = (5x + -3)(6x + 7) Reorder the terms: fx = (-3 + 5x)(6x + 7) Reorder the terms: fx = (-3 + 5x)(7 + 6x) Multiply (-3 + 5x) * (7 + 6x) fx = (-3(7 + 6x) + 5x * (7 + 6x)) fx = ((7 * -3 + 6x * -3) + 5x * (7 + 6x)) fx = ((-21 + -18x) + 5x * (7 + 6x)) fx = (-21 + -18x + (7 * 5x + 6x * 5x)) fx = (-21 + -18x + (35x + 30x2)) Combine like terms: -18x + 35x = 17x fx = (-21 + 17x + 30x2) Solving fx = -21 + 17x + 30x2 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Divide each side by 'x'. f = -21x-1 + 17 + 30x Simplifying f = -21x-1 + 17 + 30x Reorder the terms: f = 17 + -21x-1 + 30x
| -.10(20)+0.25x=.05(x-8) | | f(x)=(5x+11)(2x+9) | | y^3+10y^2-y=10 | | (12x)3=(123)8 | | 30(50-10x)-20(50+50)=30(10x+1) | | 23+44x= | | 2x=36-y | | 3(2x-6)-4=3(x-2)-7 | | n-20=-16 | | x+34=4x+8 | | 7x=19-(-9) | | y+7=-23 | | 11w-15w=-20 | | 2x=36y | | 450=x^2 | | 2(2x-4)-4=2(x-2) | | 2(a+1)+3(2a-5)= | | 18-6x=-2(4x-4) | | h=4.9t^2+3.5t+10 | | (xy)x=36 | | 35-(-20)= | | 29+(-15)= | | 8p+11=67 | | 2x+3(5-x)-12=4(4x+2) | | 30x-5=x+14 | | 5x=20-10x | | (2x+3)(x+4)=33 | | 6a^3+7a^2+6a+7= | | 8x+5+x= | | 4p+1=4p+3 | | -15n+16=-14n-19 | | 208+4.25x=20x |