Asked by Helen

Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial:

−25a^2−1+10a
Answered by oobleck
-(25a^2 - 10a + 1)
since 10 = 2*5, that indicates
-(5a-1)^2
Answered by Damon
-25 a^2 + 10 a - 1 ?
well, we need -5 a times +5a
(-5a *****) (5a ****
we need -1 and +1
(-5a -1)(5a +1) or (-5a +1)(5a -1)
the second one gives us that +10 a
Answered by ellabella
its possible and idk the answer but the first term is wrong so its ( ____a-3b)^2
the __ is were the other term is
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