P(x)= 25x square - 40x +16 Factorize
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3
25x square-40x+16
Therefore it is...
(5x)square-2(5)(4)+4 square
(5x-4)square
Therefore it is...
(5x)square-2(5)(4)+4 square
(5x-4)square
Answered by
4
25x^2-40x+16=0
25x^2-20x-20x+16=0
5x(5x-4)-4(5x-4)=0
(5x-4)(5x-4)=0
x=4/5
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