Math, asked by yogeshwarimisari, 5 months ago

simplify : (4x-9y) (4x+9y)

Answers

Answered by abhijeetbhuyan2007

6

Answer:

we know that a²-b²=(a+b)(a-b) so,

(4x-9y) (4x+9y)=(4x)²-(9y)²

Answered by Anonymous

10

Answer:

$16 {x}^{2} - 81 {y}^{2}$

Step-by-step explanation:

using identity

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

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