Question

fatorar os seguintes polinômios 16x²-81
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Answer 1

$16x {}^{2} - 81 \\ 4 {}^{2} x {}^{2} - 9 {}^{2} \\ (4x ) {}^{2} - 9 {}^{2} \\ (4x - 9) \times (4x + 9)$

Answer 2

$16x^2-81\\\left(4x\right)^2-9^2\\\\\boxed{\boxed{\left(4x+9\right)\left(4x-9\right)}}$

$\\\boxed{ANDROIDE}$