How do you multiply $(4x+6)^2$ ?

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Answer 1 · 2015-08-04T09:58:48

$(4x+6)^2=16x^2+48x+36$

To do such calculations you can use the formula:
$(a+b)^2=a^2+2ab+b^2$

In this case you substitute: $4x$ for $a$ and $6$ for $b$ to get:

$(4x+6)^2=(4x)^2+2*4x*6+6^2=16x^2+48x+36$

How do you multiply (4x+6)^2(4x+6)^2?