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4x^2-20x+25
4x^2-10x-10x+25
2 x (2×-5)-5 (2x-5)
(2x-5)(2x-5)
4x^2-10x-10x+25
2 x (2×-5)-5 (2x-5)
(2x-5)(2x-5)
Answered by
2
If your question is 4x²-20x+25,
4x²-20x+25=0
4x²-(10+10)x+25=0
4x²-10x-10x+25=0
2x(2x-5)-5(2x-5)
(2x-5)(2x-5)
Then,
2x=5
x=5/2
4x²-20x+25=0
4x²-(10+10)x+25=0
4x²-10x-10x+25=0
2x(2x-5)-5(2x-5)
(2x-5)(2x-5)
Then,
2x=5
x=5/2
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