1.

Expand (-2x+5y-3z)^2 using suitable identity​

Answer» ONG>Step-by-step EXPLANATION:

Since

(a+b+c)^2 = a^2 + b^2 + c^2 + 2AB + 2bc + 2ca

Therefore

(-2x + 5y -3Z)^2 = 4x^2 + 25y^2 + 9z^2 - 20xy - 30yz + 12xz

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