factorise x2-5x+2 ;;;;;;;;;;;;;;;;;;;;;;
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Answer:
(5 ± √17)/ 2
Step-by-step explanation:
x² - 5x + 2
Using Quadratic formula ,
x = [-b ± √(b² - 4ac)] /2a
x = [-(-5) ± √(-5)² - 4(1)(2)] / 2(1)
x = [5 ± √25 - 8] / 2
x =(5 ± √17)/ 2
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