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ALGEBRA 2 HONORS-1200340/006
HW Lesson 5-4
Solve the equation with rational exponents.

(x^(2)-x-51)^(3//4)-4=23
Select the correct choice below and, if necessary, fill in the answer box
A. The solution set is 
◻
(Simplify your answer. Use a comma to separate answers as ne
B. The solution set is the empty set.

tves.org bookmarks\newlineClever | Portal\newlineClever | Portal\newlineNEW MathXL Link\newlineALGEBRA 22 HONORS1200340-1200340/006006\newlineHW Lesson 554-4\newlineSolve the equation with rational exponents.\newline(x2x51)3/44=23 \left(x^{2}-x-51\right)^{3 / 4}-4=23 \newlineSelect the correct choice below and, if necessary, fill in the answer box\newlineA. The solution set is \square \newline(Simplify your answer. Use a comma to separate answers as ne\newlineB. The solution set is the empty set.

Full solution

Q. tves.org bookmarks\newlineClever | Portal\newlineClever | Portal\newlineNEW MathXL Link\newlineALGEBRA 22 HONORS1200340-1200340/006006\newlineHW Lesson 554-4\newlineSolve the equation with rational exponents.\newline(x2x51)3/44=23 \left(x^{2}-x-51\right)^{3 / 4}-4=23 \newlineSelect the correct choice below and, if necessary, fill in the answer box\newlineA. The solution set is \square \newline(Simplify your answer. Use a comma to separate answers as ne\newlineB. The solution set is the empty set.
  1. Raise to Power of 44/33: Now, raise both sides of the equation to the power of 4/34/3 to get rid of the exponent on the left side.((x2x51)3/4)4/3=274/3((x^{2}-x-51)^{3/4})^{4/3} = 27^{4/3}x2x51=274/3x^2 - x - 51 = 27^{4/3}
  2. Calculate 274327^{\frac{4}{3}}: Calculate 274327^{\frac{4}{3}}. Since 2727 is 333^3, this simplifies to (33)43(3^3)^{\frac{4}{3}}.\newline2743=(33)43=3343=3427^{\frac{4}{3}} = (3^3)^{\frac{4}{3}} = 3^{3*\frac{4}{3}} = 3^4\newline2743=8127^{\frac{4}{3}} = 81
  3. Substitute 8181: Substitute 8181 back into the equation.x2x51=81x^2 - x - 51 = 81
  4. Solve for x: Now, let's solve for x by moving 8181 to the left side of the equation.\newlinex2x5181=0x^2 - x - 51 - 81 = 0\newlinex2x132=0x^2 - x - 132 = 0
  5. Factor the Quadratic: Factor the quadratic equation.\newline(x12)(x+11)=0(x - 12)(x + 11) = 0
  6. Set Equal and Solve: Set each factor equal to zero and solve for xx.x12=0x - 12 = 0 or x+11=0x + 11 = 0x=12x = 12 or x=11x = -11

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