Question

hi please answer me fast please

Answer 1

12)
$(3x + 4y \div 6) {}^{2} \\ 9x { }^{2} + 16y {}^{2} + 24xy \div 36$
13)
$(20pq - 1 \div 4q) {}^{2} \\ 400p {}^{2}q {}^{2} + 1 - 40pq \div 16q {}^{2}$

Answer 2

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