SOLUTION: Hi there, I need help on this factor by grouping problem
m2s - m2t - bs + bt
thank you!
Algebra.Com
Question 517521:  Hi there, I need help on this factor by grouping problem
m2s - m2t - bs + bt
thank you! 
Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
 grouping ___ (m2s - m2t) - (bs - bt) ___ when the -1 is distributed the sign of bt changes
factoring ___ m2(s - t) - b(s - t)
regrouping ___ (m2 - b)(s - t) 
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