How do you simplify $(3x + 4)^2$ ?

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Answer 1 · 2015-10-30T11:05:20

$=color(blue)(9x^2+24x+16$

$(3x+4)^2$

As per identity:

$color(blue)((a+b)^2=a^2+2ab+b^2$

Here: $a=3x,b=4$

Applying the same identity to the expression:

$(3x+4)^2=(3x)^2+2*3x*4+4^2$

$=color(blue)(9x^2+24x+16$

How do you simplify (3x + 4)^2 (3x + 4)^2?