scarpar03 scarpar03

18-05-2017
Mathematics

contestada

whats the value of 4x²-3 when x=5, x=10

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ohsn123 ohsn123

18-05-2017

4(5) to the power of 2 -3
:20 to the power of 2 =400
:400-3=397

4(10) to the power of 2 -3
:40 to the power of 2=1600
:1600-3=1597

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Aishani Aishani

18-05-2017

Just replace 5 and 10 in the equation
x = 5, 4(5)^2-3 = 97
x = 10, 4(10)^2-3 = 397
Hope it helped

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