Question

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$(3x - 4y - 5) ^{2}$
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Answer 1

Answer:

hi Hello

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Step-by-step explanation:

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Answer 2

Answer:

3x-4y) ^2

=9x^2-12xy-16y^2.

2.

=x^3-2x^2-33x+90.

3.(a-b+c)^2

=a^2+b^2+c^2-2ab+2ac-2bc.