Question

Solve for t: t^2 + 13t + 12 = 0. Write each solution as an integer. There are multiple solutions. Separate the solutions with commas. 

          Solve for t: t^2 + 13t + 12 = 0. Write each solution as an integer. There are multiple solutions. Separate the solutions with commas.

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Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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Solve for t: t^2 + 13t + 12 = 0. Write each solution as an integer. There are multiple solutions. Separate the solutions with commas.
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Transcript

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00:01 According to the question we have to solve this equation.
00:03 We have given equation is t -res to power 4 plus t -square -minus 12 is equal to 0.
00:13 We are using substitution method put t -square is equal to u.
00:20 When we put t -square is equal to u, we have the equation is u -square plus u minus 12 is equal to 0.
00:28 We factorize this quadratic equation.
00:33 U square plus 4u minus 3u minus 12 is equal to 0...
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