danielroytman1
06.05.2020 •
Mathematics
A) 11
C) 10.6
E) 10.1
B) 13.7
D) 12.1
Solved
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Ответ:
Step-by-step explanation:
y=3x^2+12x = 3x (x+4)
zeroes: x={0, -4}
y = x^2+20x+100 = (x+10)^2
zeroes: x = -10 (twice)
or x={-10, -10}