हल करना 25x ^ 2 - (5x - 9) ^ 2 = | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$25x^{2}-(5x-9)^{2}=$$