Question

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

Answer 1

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

Thanks