rocketreid6911
rocketreid6911
13-09-2017
Mathematics
contestada
What is the product of (-3s+2t(4s-t)
Respuesta :
lostme
lostme
13-09-2017
Use the FOLD method
(a+b)(c+d)=ac+ad+bc+bd
−12
s
^2
+ 3st + 8ts − 2
t
^2
Collect like terms
-12{s}^{2}+(3st+8st)-2{t}^{2}
Simplify
-12{s}^{2}+11st-2{t}^{2}
−12
s
2
+11st−2
t
2
The answer is = -12s^2 + 11st - 2t^2
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