aero8030
05.04.2020 •
Mathematics
The equation x 2 + 10 x + 25 = 0 has one solution.
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True
False
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Ответ:
Yes
Step-by-step explanation:
X2+10x+25=0
So let's solve
10=5,5
25=5,5
So let's continue
X2+5x+5x+25
Let's factorise
X(x+5)+5(x+5)=0
(X+5)(x+5)=0
So
X+5=0
Substrate 5 from both sides
X=-5(twice)
So the answer is yes
Ответ:
s
Step-by-step explanation: