Answer:
4th option
Step-by-step explanation:
x² - 2x - 3 = 0 ( add 3 to both sides )
x² - 2x = 3
using the method of completing the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 1)x + 1 = 3 + 1
(x - 1)² = 4
Answer:
=(2x-3y+4z)+(9x-8y+7z)
=2x+9x-3y-8y+4z+7z
=11x-11y+11z
hope like the answer
please mark the answer as brainliest
X intercepts are 2 and -1/2
Answer:
1 Cubic yard is equal to 27 cubic feet. To convert cubic yards to cubic feet, multiply the cubic yard value by 27. For example, to convert 2 cubic yards to cubic feet, multiply 2 by 27, that makes 54 cu ft is 2 cu yd.
