Math, asked by kartik200732, 3 months ago

multiply (5x-4y²) using identity



Please answer fast​

Answers

Answered by akhilamrutam
1

Answer:

5x-16y^2

Step-by-step explanation:

5x-4y^2

= (5x)^2 - 4y^2

= (5x+4y)(5x-4y)

= 5x.5x + -4y.5x + 4y.-4y +5x.4y

= 5x -4y5x -16y^2 +4y5x

= 5x- 16y^2

Answered by help60
0
(a-b)square = a square + b square - 2ab

5x square + 4y square - 2*5x*4y

25x square + 16y square - 40xy
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