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usermaine27 usermaine27
  • 06-02-2017
  • Mathematics
Answered

Which is a solution to (x – 3)(x + 9) = –27?


x = –9

x = –3

x = 0

x = 6

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 06-02-2017

expand
x²+6x-27=-27
add 27 both sides
x²+6x=0
factor
x(x+6)=0
set to zero

x=0

x+6=0
x=-6


x=0 or -6

answer is 0 since -6 is not listed

Answer Link
samachey51 samachey51
  • 06-02-2017

first you would multiply x by x so x^2. next x9 would be 9x then -3x would be -3x last you would do -3*9 would be -27 then you would simplify that out

Answer Link

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