Math, asked by Anonymous, 6 months ago

25x2 - 40x + 16 factorise

Answers

Answered by aditya1154

9

$25 {x}^{2} - 40x + 16 \\ = 25 {x}^{2} - 20x - 20x + 16 \\ = 5x(5x - 4) - 4(5x - 4) \\ =( 5x - 4)(5x - 4) \\ {(5x + 4)}^{2}$

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Answered by saleha55510

10

answer

Use the sum-product pattern

25x²_40x+16

25x²_20x _20x+16

=5x(5x_4)_4(5x_4)

=(5x_4)(5x_4)

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