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The equation 
(24x^(2)+25 x-47)/(ax-2)=-8x-3-(53)/(ax-2) is true for all values of , where is a constant.

{:[x!=(2)/(a)],[a]:}
What is the value of ?

a

The equation 24x2+25x47ax2=8x353ax2 \frac{24 x^{2}+25 x-47}{a x-2}=-8 x-3-\frac{53}{a x-2} is true for all values of , where is a constant.\newlinex2aa \begin{array}{l} x \neq \frac{2}{a} \\ a \end{array} \newlineWhat is the value of ?\newlinea a

Full solution

Q. The equation 24x2+25x47ax2=8x353ax2 \frac{24 x^{2}+25 x-47}{a x-2}=-8 x-3-\frac{53}{a x-2} is true for all values of , where is a constant.\newlinex2aa \begin{array}{l} x \neq \frac{2}{a} \\ a \end{array} \newlineWhat is the value of ?\newlinea a
  1. Write Equation, Identify Goal: Write down the given equation and identify the goal.\newlineThe given equation is:\newline(24x2+25x47)/(ax2)=8x353/(ax2)(24x^2 + 25x - 47) / (ax - 2) = -8x - 3 - 53 / (ax - 2)\newlineWe need to find the value of aa such that the equation holds true for all values of xx, where x2/ax \neq 2/a.
  2. Simplify Right-hand Side: Simplify the right-hand side of the equation by combining like terms.\newline8x353ax2-8x - 3 - \frac{53}{ax - 2} can be rewritten as:\newline8x3(53ax2)-8x - 3 - \left(\frac{53}{ax - 2}\right)\newlineSince there are no like terms to combine, we move on to the next step.
  3. Eliminate Fraction: Multiply both sides of the equation by (ax2)(ax - 2) to eliminate the fraction.(24x2+25x47)=(8x3)(ax2)53(24x^2 + 25x - 47) = (-8x - 3)(ax - 2) - 53
  4. Expand Equation: Expand the right-hand side of the equation.\newline(8x3)(ax2)53=8ax2+16x3ax+653(-8x - 3)(ax - 2) - 53 = -8ax^2 + 16x - 3ax + 6 - 53\newlineSimplify the right-hand side:\newline8ax2+(163a)x47-8ax^2 + (16 - 3a)x - 47
  5. Set Up System: Since the equation must hold for all values of xx, the coefficients of the corresponding powers of xx must be equal on both sides of the equation.\newlineThis gives us a system of equations:\newlineFor the x2x^2 term: 24=8a24 = -8a\newlineFor the xx term: 25=163a25 = 16 - 3a\newlineFor the constant term: 47=47-47 = -47 (which is already satisfied and does not give us information about aa)
  6. Solve for aa: Solve the first equation from Step 55 for aa.24=8a24 = -8aDivide both sides by 8-8:a=3a = -3
  7. Verify Solution: Verify the solution by substituting a=3a = -3 into the second equation from Step 55.\newline25=163a25 = 16 - 3a\newlineSubstitute a=3a = -3:\newline25=163(3)25 = 16 - 3(-3)\newline25=16+925 = 16 + 9\newline25=2525 = 25\newlineThis confirms that a=3a = -3 is the correct solution.

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