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Gala2k [10]
3 years ago
11

X(X + 8) = 9 Algebra 2

Mathematics
2 answers:
pentagon [3]3 years ago
7 0

Answer:

x = -9, 1

Step-by-step 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!

Alenkinab [10]3 years ago
5 0

Answer:

x = 3 and x = 0

Step-by-step 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

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A pie takes 2/3 of an hour to bake if a pie is put into the oven at 7:30 at what time does it need to be taken out.
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If 75% of a number is 108, what is the number? A. 32 B. 81 C. 113 D. 144
Misha Larkins [42]
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Hope this helps :)
5 0
3 years ago
(8x2 + 5x – 9) - (3x2 – 5x + 1) = ?
Svetach [21]

Answer:

10x

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP ASAP!!! MAKE SURE YOU KNOW YOU’RE CORRECT (sometimes people put wrong answers)
hoa [83]
Scroll down for answer!

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3 years ago
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