expand using identities 4 x minus 5 y z whole square
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please check attached
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(4x-5yz)^2
=(4x)^2-2(4x)(5yz)+(5yz)^2
=16x^2-40xyz+25y^2z^2
=(4x)^2-2(4x)(5yz)+(5yz)^2
=16x^2-40xyz+25y^2z^2
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