Mathematics: Do you believe that, if you flip a perfectly fair coin 100 times, you will always observe exactly 50 heads? if you answered no, then what numbers do you think are possible?

Do you believe that, if you flip a perfectly fair

fr996060

22.02.2020

2(3x - 5)²

Step-by-step explanation:

Given

18x² - 60x + 50 ← factor out 2 from each term

= 2(9x² - 30x + 25) ← perfect square of the form

(ax - b)² = a²x² - 2abx + b²

Compare coefficients with 9x² - 30x + 25

a² = 9 ⇒ a = 3 and b² = 25 ⇒ b = 5, thus

18x² - 60x + 50

= 2(3x - 5)²

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