F2-9f+20=0 Factorise as negative values inside
Answers
Answered by
1
Answer:
sorry I didn't know that answer of this question
Answered by
1
Answer:
f=5,4
Step-by-step explanation:
f^2-9f+20=0
f^2-5f-4f+20=0
f(f-5)-4(f-5)=0
f-5=0,f-4=0
f=5,f=4
mark me as brainliest...........
Similar questions