Pets Plus and Pet Planet are having a sale on the same aquarium. At Pets Plus the aquarium is on sale for 30% off the original p
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Answer:
of the lasagna is left
<u>Step-by-step explanation:</u>
Given:
Amount of lasagna Rico eats = 1/9
Amount of lasagna His friend eats = 1/18
To Find:
The amount lasagna is left =?
Solution:
Total lasagna ate by both Rico and his friend = Amount of lasagna Rico eats + Amount of lasagna His friend eats
Total lasagna ate by both Rico and his friend =
Total lasagna ate by both Rico and his friend =
Total lasagna ate by both Rico and his friend =
Total lasagna ate by both Rico and his friend =
The amount lasagna is left = 1 - Total lasagna ate by both Rico and his friend.
The amount lasagna is left =
The amount lasagna is left =
The amount lasagna is left =
Answer:
(x + 2)²
Step-by-step explanation:
Given
x² + 4x + 4 ← is a perfect square of the form
(x + a)² = x² + 2ax + a²
Compare like terms
a² = 4 ⇒ a = = 2, thus
x² + 4x + 4 = (x + 2)²