mmsyshi mmsyshi

25-04-2016
Mathematics

contestada

1) If X = 2, calculate the value of: 2x squared - x
2) if X = -2, calculate the value of: 2x squared -x

Respuesta :

kellykleekamp kellykleekamp

25-04-2016

Use PEMDAS
1. 2(2^2)-2
=2(4)-2
=8-2
=6

2. 2((-2)^2)-(-2)
=2(4)+2
=8+2
=10

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