Question

when factorised, 5(a+b) - 9x (a+b) is..
(please show steps to help me get to answer) thank you

Answer 1

a+b is a common factor to both term

Answer 2

\( \color{Black}{\Rightarrow x(a + b) + y(a + b) \Longrightarrow (x + y)(a + b) }\)

Answer 3

so factor out a+b you get (a+b)(5-9x)

got it?

Answer 4

\( \color{Black}{\Rightarrow 5(a + b) - 9x(a + b) = (5 - 9x)(a + b) }\)

Answer 5

@muppz wasn't that easy?

Answer 6

thanks guys!!