april316
april316
09-04-2016
Mathematics
contestada
solve each quadratic equation. 4x²=100
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Аноним
Аноним
09-04-2016
4x^2=100
Square root 4x^2=square root 100
4x=plus or minus 10
4x/4=plus or minus 10/4
X= -2.5, x= 2.5
Answer Link
angelfizzy
angelfizzy
09-04-2016
x=100/4
x=25
the square root of 25 is 5
that means x=5
Answer Link
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