Directions: Using your knowledge of solving quadratic equations, decode the following. Show you solutions. (Refer to the rubric). rx 3 = 15 points PLEASE SHOW SOLUTION PO THANK U!
1. x²- 1 = 0
2. x² - 4x = 21
3. x² - 8x = 0
4. 3 - 3x = x²
5. 2x² - 5x - 3 = 0
(U) 0;8
(G) ± 1
(S) \frac{ - 3 + \sqrt{21} }{2} 2 −3+ 21
(A) 7; -3
(S) - 1 / 2 ; 3
1. x²- 1 = 0
2. x² - 4x = 21
3. x² - 8x = 0
4. 3 - 3x = x²
5. 2x² - 5x - 3 = 0
(U) 0;8
(G) ± 1
(S) \frac{ - 3 + \sqrt{21} }{2} 2 −3+ 21
(A) 7; -3
(S) - 1 / 2 ; 3
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