How do you multiply #(6k-1)(3k-5)#?

1 Answer
Tony B
Aug 3, 2016

#18k^2-33k+5#

Explanation:

Given:#" "color(blue)((6k-1)color(brown)((3k-5))#

Multiply everything inside the right hand brackets by everything in the left hand bracket.

Note the minus sign for -1 follows the value 1.

#color(brown)(color(blue)(6k)(3k-5)" "color(blue)(-1)(3k-5) )#

#18k^2-30k" "-3k+5#

#18k^2-33k+5#

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