Question

64c^2 - 64cd + 16d^2​

Answer 1

64cd+16d^2

80cd³

64c^2 - 80cd³

-16c³d³

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Answer 2

Answer:

${64c}^{2} - 64cd + {16d}^{2}$

Formula used here,

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

$({8 c- 4d})^{2} = {8c}^{2} - 2 \times 8c \times 4d + {4d}^{2}$