SOLUTION: the instructions are factor out the greatest common factor ad write the expression in factored form.. use the distributive property to verify your ans. 55. 45m2powern3power-36

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Question 64448This question is from textbook beginning algebra
: the instructions are factor out the greatest common factor ad write the expression in factored form.. use the distributive property to verify your ans.
55. 45m2powern3power-36mn2power+63m3rd power n
57. 3a(1-5b)-4b(1-5b)
please help me in solving the ans in the book for ea is 55. 9mn(5mn2power -4n+7m2nd power)
57. ans: (1-5b)(3a-4b) please show me step by step..thanks so much
This question is from textbook beginning algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
55. 45m^2n^3-36mn^2+63m^3n
Common factor is 9mn.
=9mn(5mn^2-4n+7m^2)
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57. 3a(1-5b)-4b(1-5b)
Common factor is 1-5b
=(1-5b)(3a-4b)
Cheers,
Stan H.