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zacharoo10
31.03.2020 •
Mathematics
What exactly is meant by the expression 'Completing the Square'? Give an example as part of your explanation.
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Ответ:
completing the square is making the expression a bunch of perfect squares in order to solve it easily and find
Step-by-step explanation:
If i have the expression x^2 + 4x + 1 = 0
i move the one to the right side
x^2+4x=-1
then i add b over 2 squared to both sides
that is x^2+4x+4=3
now i would simply take the square root of both sides of this equation,
(x+2)^2=positive or negative 1.73
x+2=-1.73
x+2=1.73
then you subtract or add to solve for both possible values of x
Ответ:
0.12 times 98
Step-by-step explanation:
100×0.12=12, which is 12% of 100