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carog24
13.03.2022 •
Mathematics
Pls asap completing square X^2 -24x+5=0
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Ответ:
Step-by-step explanation:
x² - 24x + 5 = 0
x² - 24x = -5
Now divide the co efficient of x by 2 and square the quotient and add to both sides
24/2 = 12
12² = 144. Now add 144 to both sides of the equation.
x² - 24x + 144 = 5 + 144
x² - 24x + 144 = 149
x² - 2*12*x + 12² = 149
(x - 12)² = 149
Both sides take square root
x - 12 = ±√149
x = 12 ± √149
Ответ:
-31
Step-by-step explanation:
if x equals -4 and b equals -5
9(-4) -(-5)
-36 + 5