Math

FInd the product (m^2 -7m-6)(7m^2 -3m-7)

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(m^2 -7m-6)(7m^2 -3m-7)

(m^2)(7m^2) (m^2)(-3m) (m^2)(-7) (-7m)(7m^2) (-7m)(-3m) (-7m)(-7) (-6)(7m^2) (-6)(-3m) (-6)(-7)

7m^4 -3m^3 -7m^2 -49m^3 +21m^2 +49m -42m^2+18m+42

7m^4-52m^3 +67 m+42

7 m^4-52 m^3-28 m^2+67 m+42