lacie30
30.06.2019 •
Mathematics
What is the product of (-3s+2t(4s-t)
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Ответ:
(a+b)(c+d)=ac+ad+bc+bd
−12s^2 + 3st + 8ts − 2t^2
Collect like terms
-12{s}^{2}+(3st+8st)-2{t}^{2}
Simplify
-12{s}^{2}+11st-2{t}^{2}−12s2+11st−2t2
The answer is = -12s^2 + 11st - 2t^2
Ответ: