Inequalities for solving 4x & # 178; - 20x < 25 | Math enthusiast | Mathematical art

Inequalities for solving 4x & # 178; - 20x < 25

4x²－20x＜25
4x²－20x+25＜25+25
(2x-5)^2＜50
-5 root 2 ＜ 2x-5 ＜ 5 root 2
5-5 radical 2 ＜ 2x ＜ 5 + 5 radical 2
(5-5 radical 2) / 2 ＜ x ＜ (5 + 5 radical 2) / 2

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