Crxymia
02.02.2021 •
Mathematics
PLEASE PLEASE PLEASE HELP ME Which of the following is a perfect square trinomial?
A) x^2-8x+16
b) x^2+4x+36
C) 4x^2-20x-25
D) x^2-16
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Ответ:
ABC = 36 , DBC = 44
Step-by-step explanation:
(7x+2) + (7x -6) = 8=
14x -4 = 80
14x = 84
x = 6