jakezimmerman847 jakezimmerman847

25-07-2021
Mathematics

contestada

1. Giles thinks that -5x²(3x - 4) simplifies to 15x² + 20x². Explain what mistakes he made. What is the
correct answer?

Respuesta :

jeremiahkevinm jeremiahkevinm

25-07-2021

Answer:

The mistake was minus sign before the 15 and putting 15x² instead of 15x³.

The correct answer is:

[tex]-5x^{2} (3x-4)\\ = -15x^{3} + 20x^{2}[/tex]

Answer Link

Otras preguntas

The scientific term for a living thing is

What is a medial moraine, and how is it formed?

Why did the Marbury v. madison case happen?

What do ancient India and ancient Egypt have in common?

Why is gravity an example of scientific law?

Why do the track runners start at different positions on the track?

in ancient China, many aspects of life were ruled by the___ of Confucius.

who comes up with ideas for laws?

1st?- cynthia paid $0.20 per hobby magazine at a tag sale. She bought half of all the magazines that were for sale and paid $10. How many magazines were there i

plant roots can grow through cracks and what?