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# maths

+5
209
2
GIVEN THAT C=-2

WHAT IS THE VALUE OF

2C^2
Guest Feb 4, 2012
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#1
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c=-2
replace the variable c with -2
=2 (-2)^2

then distribute 2 to remove the parenthesis and then distribute the exponent:
2*-2=-4 ^2 = -4^2=8
Guest Feb 5, 2012
#2
+6880
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$$2C^2=2(-2)^2=2\times 4 = 8$$

MaxWong  Jul 19, 2016

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