isismwangi isismwangi

09-06-2022
Mathematics

contestada

Write the trinomial as a square of a binomial or as an expression opposite to a square
of a binomial.
-42a +9a²+49

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nhgarg48 nhgarg48

09-06-2022

(3a-7)^2

1. 9a^2-21a-21a+49
2. 3a(3a-7)-7(3a-7)
3. (3a-7)(3a-7)
4. Combine like terms

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