Question

Find the product: (x + 10)^2

Answer 1

sum of squares

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

( x + 10 ) ( x + 10 )

multiply the polynomial

There is of course FOIL method
first, outer, inner, last

draw a happy face, at least it kinda looks happy

. .............................
|-----|------/ |
( x + 10 ) ( x + 10 )
| -------- |
\ _____________________ ?

x^2 + 10x + 10x + 100

x^2 + 20x + 100

Answer 2

You got it! :)