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0 votes
Solve for x

Enter the solutions from least to greatest.
(x – 7)(-4x − 2) = 0
lesser x =
greater x =

User Lsoliveira
by
4.3k points

2 Answers

5 votes

Answer:

lesser x= -5 Greater X= 5

Explanation:

−x

2

−8

−x

2

x

2

=−33

=−25

=25

Hint #22 / 3

Now we can take the square root of both sides, not forgetting to take both the positive and negative roots of the right-hand side:

\begin{aligned} \sqrt{x^2}&=\sqrt{25} \\\\ x&=\pm 5 \end{aligned}

x

2

x

=

25

=±5

Hint #33 / 3

In conclusion,

\begin{aligned} \text{lesser }x &= -5 \\\\ \text{greater } x &= 5 \end{aligned}

lesser x

greater x

=−5

=5

User PhysicalEd
by
4.5k points
5 votes

Answer:

X= -1/2 X= 7

User Gurminder Singh
by
4.3k points