Question

help

Answer 1

\[\left( a+b \right)^2\]

Answer 2

how to do this?

Answer 3

square of (a+b)

square means multiply with itself.

like square of 2 is 2*2 =4

square of a+b is
(a+b)*(a+b)

distribute!

Answer 4

\[\left( a+b \right)^2 \] you have to write (a+b)(a+b) twice because the exponent is 2

Answer 5

and then use FOIL

Answer 6

FOIL?

Answer 7

first outer inner last

Answer 8

\[(a+b)(a+b) = (a)(a)+(a)(b)+(b)(a)+(b)(b)\]

Answer 9

\[(a^2)+2(ab)+(b^2)\]