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Liula [17]
2 years ago
8

Solve by factoring: x2 – 9x + 20 = 0

Mathematics
2 answers:
Readme [11.4K]2 years ago
8 0
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
gayaneshka [121]2 years ago
3 0

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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