Answer:
5ab + 8 - 1a^2.
Step-by-step explanation:
Combining like terms, we get 3a^2 - 4a^2 = -1a^2. We get 9ab - 4ab = 5ab. Then we get, 5 + 3 = 8. Together this is 5ab + 8 - 1a^2
An irrational number is the square root of 5 since it cannot be written as a ratio of two integers.
<h3>What are irrational numbers?</h3>
Irrational numbers are number that cannot be written as a ratio of two integers.
Most irrational numbers are repeating decimals. From the given options, an irrational number is the square root of 5 since it cannot be written as a ratio of two integers.
Learn more on irrational number here; brainly.com/question/1300130
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Answer:
Step-by-step explanation:
discriminant=5²-4×1×7=25-28=-3<0
no real number solution.
Answer:
43.44 for the first one
16 cats from the second one
496 for the third one
Step-by-step explanation:
Answer:
A -1(x-9)(x-7)
Step-by-step explanation:
