Find the products using appropriate identities: (x+3)(x+3) - Vidyadip

Question

Find the products using appropriate identities: $(x+3)(x+3)$

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Answer

We have the Identity: $(x+y)^2=x^2+2 x y+y^2$.
Put $y=3$ in it,
we get $(x+3)(x+3)=(x+3)^2=x^2+2(x)(3)+(3)^2=x^2+6 x+9$

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