Register
Solve by using factorizing method:4x²-36x+81=0​
221k views
0 votes
Solve by using factorizing method:4x²-36x+81=0​

User Harshal Parekh
by
4.9k points

1 Answer

11 votes

Answer:

  • x = 4.5

Explanation:

  • 4x² - 36x + 81 = 0​
  • (2x)² - 2*2x*9 + 9² = 0 Identity a² - 2ab + b² = (a - b)²
  • (2x - 9)² = 0
  • 2x - 9 = 0
  • 2x = 9
  • x = 4.5

User Idle Sign
by
5.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

What is the value of x? (-4) - x = 5
1/7 + 3/14 equivalent fractions
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea
Link Copied!