Answer:
Step-by-step explanation:
- √20 - √5 + √45 =
- 2√5 - √5 + 3√5 =
- (2 - 1 + 3)√5 =
- 4√5
Correct choice is D
Answer:
(m + 2 - x) (m + 2 + x)
Step-by-step explanation:
m² + 4m + 4 - x²
m² + 2(m)(2) + 2² - x²
(m + 2)² - x²
(m + 2 - x) (m + 2 + x)
Answer:

Step-by-step explanation:
Formula ………………………………………………………………………
The equation of a circle with center (a , b) and radius r is :

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Now ,let’s apply what we have learnt:
The equation of the circle with center (a , b) = (2 , 6) and radius r = 2√3 is :


