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How do you simplify #4x(x-2) -5x(x-1)=2#?

1 Answer

Jan 24, 2016

#x=-1,-2#

Explanation:

#4x(x-2)-5x(x-1)#

#rarr(4x^2-8x)-(5x^2-5x)# #Use# #the# #distributive# #pr##operty#

#rarr(4x^2-8x)+(5x^2+5x)# #chan##g##e# #the# #signs#

#rarr-1x^2-3x=2#

#rarr-1x^2-3x-2=0# #Now# #this# #is# #a# #qu##adratic# #equation#

#So,##use# #the# #q##uadratic# #fo##rm##u##l##a# #t##o# #g##et# #the# #answer#

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