How do you simplify -8( 4+ 5b ) + 9( 1+ 7b )?
3 Answers
Feb 13, 2018
Explanation:
Feb 13, 2018
whichever alternative is required
Explanation:
we use the distributive laws, then simplify by collecting like terms
which can be factorised if required
Feb 13, 2018
Explanation:
"to simplify distribute brackets and collect like terms"
rArr-8(4+5b)+9(1+7b)
=color(red)(-32)color(blue)(-40b)color(red)(+9)color(blue)(+63b)
=color(blue)(+63b)color(blue)(-40b)color(red)(-32)color(red)(+9)
=color(blue)(23b)color(red)(-23)