Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Try to look at this.
0 0 0
9x^2-72=0 9x^2=72 √9x^2=√72 Cancel the exponent of 2 and the index of the square root 9x=√(2)(36) divided by 9 x=√(2)(4) x=positve negative 2√2 Understand it
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts