jeremiaht7
04.07.2019 •
Mathematics
Will give brainliest solve x2 + 4x − 4 = 0. x equals the quantity of negative 2 plus or minus square root 16 all over 2 x equals negative 4 plus or minus square root 2 x equals negative 2 plus or minus 2 square root 2 x equals the quantity of 4 plus or minus square root 18 all over 2
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Ответ:
ANSWER
EXPLANATION
Given:
We complete the square as follows;
Add 4 to both sides of the equation:
Add half the coefficient of to both sides of the equation.
The Left Hand Side of the equation is now a perfect square.
Take the square root of both sides
Hence the correct answer is option C
Ответ:
Given equation is
compare with
we get: a=1, b=4, c=-4
plug these values into quadratic formula:
Hence finall answer is:
and
Ответ:
1
Step-by-step explanation:
It would be 1 because it is the least number there