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Mathematics
19 January, 16:26
25x^2+1=5 quadratic
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Briley Mack
19 January, 16:31
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25x² + 1 = 5
25x² + 1 - 5 = 0
25x² - 4 = 0 By difference of two squares
(5x) ² - (2) ² = 0
(5x - 2) (5x + 2) = 0
5x - 2 = 0 or 5x + 2 = 0
5x = 0 + 2 5x = 0 - 2
5x = 2 5x = - 2
x = 2/5 x = - 2/5
x = 0.4 x = - 0.4
x = + 0.4 or - 0.4
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