Answer:
B
Step-by-step explanation:
Answer:
the answer is not correct
there is a sign error under the radical
it should be 3^2 - 4(-8)(2) = sqrt(73) not sqrt(55i)
Step-by-step explanation:
The Answer to this solution is -14r
Before you can add or subtract fractions with different denominators.you first have to find common denominators. subtract the numerators and reduce fraction.
Adding fractions make sure numbers are same add the numerators and put it over the denominator,simplify the fraction if needed
Answer:
(5x +4y)^2
Step-by-step explanation:
The first and last terms are both perfect squares, and the middle term is twice the product of their roots. That means the trinomial is the perfect square trinomial ...
25x^2 +40xy +16y^2 = (5x +4y)^2
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It matches the pattern ...
a^2 +2ab +b^2 = (a +b)^2