Question

find the value of p²q-(2q)² when a) p=8 and q=8​

Answer 1

$\large{\mathcal{\blue{Answer}}}$

$pq - (2q) {}^{2} = (8)(8) - (2 \times 8) { }^{2} \\ = 64 - (16) { }^{2} \\ = 64 -256$

$\large{\mathcal{\boxed{\blue{-192}}}}$

Answer 2

Answer:

256

Step-by-step explanation:

When p = 8 and q = 8,

${p}^{2} q - {(2q)}^{2} \\ = {8}^{2} \times 8 - {(2 \times 8)}^{2} \\ = 64 \times 8 - {16}^{2} \\ = 512 - 256 \\ = 256$

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