Solve by factoring: x2 – 9x + 20 = 0
2 answers:
Answer:
B.x = 4 x=5
Expiation:
x * (x-4)-5(x-4)=0
(x-4)*(x-5)=0
x-4=0
x-5=0
x1= 4 x2= 5
Answer:
Answer
Given equation is:
x
2
−9x+20=0
⇒x
2
−5x−4x+20=0
⇒(x−4)(x−5)=0
⇒x=4andx=5
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Answer:
hope this helps
Step-by-step explanation:do not need one really
18 pages because nine needs to be doubled
Answer: AC=3.5
Solve proportionally:3 over 4 equals 1.5 over x.
3x= 6
6/3=2
X=2
2+1.5=3.5
I dont know :(
i actually tried it but im not good with that :)
