xoaprilox
20.12.2019 •
Mathematics
Which shows a perfect square trinomial?
group of answer choices
latex: 49x^2-70xy+10y^2 49 x 2 − 70 x y + 10 y 2
latex: 50y^2-4x^2 50 y 2 − 4 x 2
latex: 16x^2+24xy+9y^2 16 x 2 + 24 x y + 9 y 2
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Ответ:
-9ab3a3b-52
Step-by-step explanation:
-8a3b+3a2b2-52+5a2b3a3b+7-9a2b2
-8a3b-6a-52+5a2b3a3b
-14a3b-52+5a2b3a3b
-9ab3a3b-52