Answer
140
Solving steps
b² - 4ac a = 2 b = 10 c=15
Substitute
10²4 × 2 × (-5)
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Answers & Comments
Answer
140
Solving steps
b² - 4ac a = 2 b = 10 c=15
Substitute
10²4 × 2 × (-5)
x = 6 or x = 2
Solving steps
x ^ 2 - 8x + 12 = 0
Split the middle term into two terms
x ^ 2 - 6x - 2x + 12 = 0
Factor the first two terms and the last two terms separately
x(x - 6) - 2(x - 6) = 0