Prove algebraically that (m + 2)2 – m 2 – 12 is always a multiple of 4

Step-by-step explanation:

Step 1:

Write the expression

Step 2: Expand

Step 3: Collect similar terms

Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

$12. that is my answer.

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.