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Mathematics
, 16.12.2019 06:31,
SMACSS13
Solve for x.
5x2 β 45 = 0
a.
{3}
b.
{3, β3}
c.
{9, β9}
d.
{9}
Answers: 2
Show answers
Answers
answered:
howme
5x^2-45=0
factor 5 out
5(x^2-9)=0
diff 2 perfec squares
5(x-3)(x+3)=0
set zero
x-3=0
x=3
x+3=0
x=-3
x=-3 or 3
B
answered: Guest
the answer is true.
step-by-step explanation:
answered: Guest
Which of the following values are in the range is the function graphed below? check all that applya.3b.1c.0d.-2e.5f.2a
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Do you know the correct answer?
Solve for x.
5x2 β 45 = 0
a.
{3}
b.
{3, β3}
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