Factor completely x2 + 20x + 99

1 answer:

6 0

$x^2 + 20x + 99=x^2+9x+11x+99=x(x+9)+11(x+9)=(x+11)(x+9)$

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Arte-miy333 [17]

Answer:

Step-by-step explanation:

${18}^{2} = {x}^{2} + {x}^{2} \\ \frac{18 \times 18}{2} = {x}^{2} \\ x = \sqrt{9 \times 18} \\ x = \sqrt{9 \times 9 \times 2} \\ x = 9 \sqrt{2}$

4 0

3 years ago

Dafna1 [17]

45 minutes i m sure all you do is count up or subtract 60 from 15

7 0

3 years ago

serg [7]

7/100* 6500=455

6500-455=6045

6045/12=503.75

Andy pays 503.75 a month

8 0

4 years ago

Katen [24]

hope this helps!!

mark me brainlist? this took a lil bit

4 0

3 years ago

enot [183]

Answer:

X=-3/2, X=4

Step-by-step explanation:

Really easy

Image attached

3 0

3 years ago

Factor completely x2 + 20x + 99​