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Please factorise: 4x^2-18x+20​
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1 vote
Please factorise: 4x^2-18x+20​

User Abdolence
by
7.3k points

1 Answer

5 votes

Answer:

x=2 or x=5/2

Explanation:

4x^2 -(10+8)x +20

4x^2 -10 x - 8x +20

2x(2x-5)-4(2x-5)

(2x-5)(2x-4)

so

2x-5=0

x=5/2

or

2x-4=0

x=2

User Julien Dumortier
by
9.0k points
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