Write (3x+1)^2 in the expanded from
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Answered by
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(3x+1)^2= 2× 3x +2×1
= 6x + 2
= 6x + 2
Answered by
4
(3x+1)^2
=(3x+1)×(3x+1)
=3x×3x+3x×1+1×3x+1×1
=9x^2+3x+3x+1
=9x^2+6x+1
by using the formula ;
:(a+b)^2=a^2+2ab+b^2
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