All of these make use of the expansion
(a + b)² = a² + 2ab + b²
You would do well to memorize this "formula." Of course, it also helps to be able to double (or halve) a number, and to know the squares of small integers.
1.
x² +2x +1
x² -6x +9
x² +12x +36
x² -0.4x +0.04
4x² +28x +49
9x² +30x +25
2.
(x + 4)²
(x + 3)²
(x - 9)²
(x - 5)²
3. (12/2)² = 36
4. ±2√49 = ±14
Answer:
6 and 12 is the answers
Step-by-step explanation:
hope this help enjoy your day:)
0,2,4,6,8,10,13,14 your welcome:)
Answer:
True
Step-by-step explanation:
The natural numbers are those which allow us to count the elemnts of a set, for example: how many people are in the room or how many chairs we have, however we have infinity things to mention. Zero is not part off it, belong to Real and Complex numbers.
Answer:
G. 
Step-by-step explanation:
Given that figure I and figure II are similar, it follows that the ratio of their corresponding side lengths are equal and the same.
Thus:
Therefore, the proportion that must be true is:
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