• anonymous
What is the value of 3h^2 when h= -2 , i'm not a maths genius as you can see.
  • Stacey Warren - Expert
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  • katieb
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  • xkehaulanix
You can expand the expression if the exponent is distracting.\[3h ^{2}=3(h)(h)\]Then for each h, plug in -2. So it turns into this:\[3(-2)(-2)\]The negatives end up cancelling each other out, so it becomes 3 x 4= 12 I don't blame you, I can't really do math at the moment either xD
  • anonymous
aaw, this is lovely. thanks a lot :) much appreciation. and haha yeee, it was okay until algebra kicked in. alphabet confusing me when mixed in maths.

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