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5 votes
X(X + 8) = 9
Algebra 2

User Karl
by
4.7k points

2 Answers

4 votes

Answer:

x = 3 and x = 0

Explanation:

A way to solve is simplifying the given equation:

X^2 + 8x = 9

So

x = 3 and x = 0

3^2 + 8(0) = 9

9 + 0 = 9

9 = 9

User MichalB
by
4.8k points
3 votes

Answer:

x = -9, 1

Explanation:

x (x + 8 )= 9

x^2 + 8x = 9

x^2 + 8x - 9 = 0

(x + 9)(x - 1) = 0

x = -9, 1

Hope this helps!

User Hugheth
by
4.3k points