multiply (5x-4y²) using identity
Please answer fast
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Answered by
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 -4y√5x -16y^2 +4y√5x
= 5x- 16y^2
Answered by
0
(a-b)square = a square + b square - 2ab
5x square + 4y square - 2*5x*4y
25x square + 16y square - 40xy
5x square + 4y square - 2*5x*4y
25x square + 16y square - 40xy
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