Answered

Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

Which expression is equivalent to (x²+3x-4)(x-5)

1) x³+8x²-19x+20
2) x³-2x²-19x+20
3) x³-2x²-11x+20
4) x³-8x²-11x+20


Sagot :

[tex](x^2+3x-4)(x-5)=x^3-5x^2+3x^2-15x-4x+20=\\ \\=x^3-2x^2-19x+20\ \ \ \Rightarrow\ \ \ Ans.\ B[/tex]