The problem requires simplifying the given rational expression: $\frac{4x-9}{(x-2)(x-3)}$. The instructions only say "express each of the following," so I'll assume we are to decompose the rational expression into partial fractions. We can express the given rational expression in the form: $\frac{4x-9}{(x-2)(x-3)} = \frac{A}{x-2} + \frac{B}{x-3}$ where $A$ and $B$ are constants.

AlgebraPartial FractionsRational ExpressionsAlgebraic Manipulation
2025/3/17

1. Problem Description

The problem requires simplifying the given rational expression: 4x9(x2)(x3)\frac{4x-9}{(x-2)(x-3)}. The instructions only say "express each of the following," so I'll assume we are to decompose the rational expression into partial fractions. We can express the given rational expression in the form:
4x9(x2)(x3)=Ax2+Bx3\frac{4x-9}{(x-2)(x-3)} = \frac{A}{x-2} + \frac{B}{x-3}
where AA and BB are constants.

2. Solution Steps

To find the values of AA and BB, we multiply both sides of the equation by (x2)(x3)(x-2)(x-3):
4x9=A(x3)+B(x2)4x - 9 = A(x-3) + B(x-2)
We can solve for AA and BB by substituting suitable values for xx.
Let x=2x = 2:
4(2)9=A(23)+B(22)4(2) - 9 = A(2-3) + B(2-2)
89=A(1)+B(0)8 - 9 = A(-1) + B(0)
1=A-1 = -A
A=1A = 1
Let x=3x = 3:
4(3)9=A(33)+B(32)4(3) - 9 = A(3-3) + B(3-2)
129=A(0)+B(1)12 - 9 = A(0) + B(1)
3=B3 = B
B=3B = 3
Therefore, we have:
4x9(x2)(x3)=1x2+3x3\frac{4x-9}{(x-2)(x-3)} = \frac{1}{x-2} + \frac{3}{x-3}

3. Final Answer

1x2+3x3\frac{1}{x-2} + \frac{3}{x-3}

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