ronaldotheexplorer12
04.11.2021 •
Mathematics
Please help me please
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Ответ:
h
Step-by-step explanation:
Ответ:
Ответ:
-4
Step-by-step explanation:
3 times that number→3x
Difference of the square of a number and 28→x^2-28
x^2 −28= 3x
-3x =-3x
x^2-3x-28=0
(x-7)(x+4)=0
x-7=0
x+4=0
x=7 x=-4
{Negative Solution: }-4
Negative Solution: −4