Plz answer Q) 7,8 and 9.
Attachments:
Answers
Answered by
1
(9).(a)....x^2+6x+5x+30=0
x(x+6)+5(x+6)=0
(x+6)(x+5)=0
x=-6,-5
(b) x^2-9=0
x^2=9
x=+-3
is your answer
x(x+6)+5(x+6)=0
(x+6)(x+5)=0
x=-6,-5
(b) x^2-9=0
x^2=9
x=+-3
is your answer
Similar questions