Get the answers you need at Westonci.ca, where our expert community is always ready to help with accurate information. Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.
Sagot :
x² + (3x - 9)² = (2x + 1)²
x² + (3x - 9)(3x - 9) = (2x + 1)(2x + 1)
x² + (9x² - 27x - 27x + 81) = (4x² + 2x + 2x + 1)
x² + (9x² - 54x + 81) = 4x² + 4x + 1
(x² + 9x²) - 54x + 81 = 4x² + 4x + 1
10x² - 54x + 81 = 4x² + 4x + 1
- 4x² - 4x²
6x² - 54x + 81 = 4x + 1
+ 54x + 54x
6x² + 81 = 58x + 1
- 1 - 1
6x² + 80 = 58x
6x² - 58x + 80 = 0
x = -(-58) +/-√((-58)² - 4(6)(80)
2(6)
x = 58 +/- √(3364 - 1920)
12
x = 58 +/- √(1444)
12
x = 58 +/- 38
12
x = 58 + 38 x = 58 - 38
12 12
x = 96 x = 20
12 12
x = 6 x ≈ 1.67
x² + (3x - 9)(3x - 9) = (2x + 1)(2x + 1)
x² + (9x² - 27x - 27x + 81) = (4x² + 2x + 2x + 1)
x² + (9x² - 54x + 81) = 4x² + 4x + 1
(x² + 9x²) - 54x + 81 = 4x² + 4x + 1
10x² - 54x + 81 = 4x² + 4x + 1
- 4x² - 4x²
6x² - 54x + 81 = 4x + 1
+ 54x + 54x
6x² + 81 = 58x + 1
- 1 - 1
6x² + 80 = 58x
6x² - 58x + 80 = 0
x = -(-58) +/-√((-58)² - 4(6)(80)
2(6)
x = 58 +/- √(3364 - 1920)
12
x = 58 +/- √(1444)
12
x = 58 +/- 38
12
x = 58 + 38 x = 58 - 38
12 12
x = 96 x = 20
12 12
x = 6 x ≈ 1.67
We appreciate your time on our site. Don't hesitate to return whenever you have more questions or need further clarification. Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. Thank you for using Westonci.ca. Come back for more in-depth answers to all your queries.