Question

(3+x)
$(3 + x)whole square$
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Answer 1

Answer:

>> Identity= (a+b)^2= a^2+b^2+2ab

• (3+x) ^2= (3) ^2+x2+2(3) (x)
• It's x^2+6x+9................!

Answer 2

Use identity:-( a+b)^2= a^2+b^2+2ab

so, (3+x)^2 = (3)^2+(x)^2+2×(3×x)

= 9+x^2+6x

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