Answer: x^2 + 4x + 4
Explanation:
just expand, factor out, and add together.
(x+2)(x+2)
x • x = x^2
2x + 2x = 4x
2 • 2 = 4
x^2 + 4x + 4
Answer: Im pretty sure thats associative property.
Answer:
70 + 5 + 8/10 + 6/100 + 4/1000
Or
7*10 + 5*1 + 8*1/10 + 6*1/100 + 4*1/1000
The key: make the base of two side the same,,,
then: for the same base, the exponents are equal.