Question

what is x2+8x+15

Answer 1

0-0

Answer 2

Hold on

Answer 3

I have it

Answer 4

First, 𝑥^2 + 8 x + 15
x^2+5x+3x+15

Answer 5

Next, x^2 + 5x + 3x + 15
x(x+5)+3(x+5)

Answer 6

Then, x(x+5)+3(x+5)
(x+3)x(x+5)

Answer 7

Solution
(
𝑥
+
3
)
(
𝑥
+
5
)

Answer 8

So

Answer 9

1 Use the sum-product pattern
2 Common factor from the two pairs
3 Rewrite in factored form

Answer 10

and there you go

Answer 11

awww thank you

Answer 12

np

Answer 13

\[x^2 + 8x +15\]

We want to numbers that mulitply to 15, and add up to 8
We have
1, 15
3, 5

obviously, 3 and 5 add up to 8

So we have
(x+3)(x+5)



this is the regular factoring way