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algebra

if x=3
workout the value of 4x squared
Figure out what x2 x^2 would be and then times that by 4.
Original post by nabbi
if x=3
workout the value of 4x squared


4x2 4x^2 or (4x)2 (4x)^2 ?


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the answers 36 36 because 32=9..9x4=363^2=9 ..9x4= 36
(edited 7 years ago)
Original post by KnowledgeIsBest
the answers 36. 3^2=9. 9x4= 36


That's wrong
Isn't it 144?
Posted from TSR Mobile
Original post by Naomeyz_01


how.
4*3=12
12^2=144

Posted from TSR Mobile
Original post by Naomeyz_01
That's wrong
Isn't it 144?
Posted from TSR Mobile

no its 36 because of bidmas indices (x^2 comes first)
The answer depends on whether the question is 4x2 4x^2 or (4x)2 (4x)^2 ?


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Reply 9
Original post by nabbi
if x=3
workout the value of 4x squared


x = 3
x^2 = 9
4x^2 = 36

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