Expand using suitable identities (-2x+5y^2-3z)^2
Answers
Answered by
0
Expand using suitable identities (-2x+5y^2-3z)^2
Attachments:
Answered by
0
Answer:
4x^2 + 25y^4 + 9z^2 - 20xy^2 - 30zy^2 + 12xz
Step-by-step explanation:
(-2x + 5y² - 3z)²
⇒ using the identity (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca
⇒ a = -2x; b = 5y²; c = -3z
⇒ 4x^2 + 25y^4 + 9z^2 - 20xy^2 - 30zy^2 + 12xz
Similar questions