x^2 + 9 x - 28
Factorise.
Answers
Answered by
1
Answer:
use the quadratic formula ( -b±√b²-4ac)/2a. .
here a=1 ; b= 9 ; c= -28
Similar questions
Math,
1 month ago
Geography,
1 month ago
Social Sciences,
1 month ago
Math,
3 months ago
Social Sciences,
3 months ago
Math,
9 months ago
Art,
9 months ago