Factor of x squared+4x-45

1 answer:

SOVA2 [1]3 years ago

7 0

X^2 + 4x -45

-45 = 9 * (-5)
4 = 9 + (-5)

so
x^2 + 4x - 45 = (x + 9)(x - 5)

answer
(x + 9)(x - 5)

You might be interested in

Diano4ka-milaya [45]

Answer: C

Step-by-step explanation:

4 0

3 years ago

enot [183]

Answer:

try dividing the dividend and then multiplying it by the center number

5 0

2 years ago

Contact [7]

Answer:

$\Large \boxed{b=2}$

Step-by-step explanation:

-5+2(10b-2)=31

Expand brackets.

-5+20b-4=31

-9+20b=31

Add 9 on both sides.

20b=40

Divide both sides by 20

b=2

8 0

3 years ago

lidiya [134]

25 times a letter Y = a number 5

5 0

3 years ago

Deffense [45]

$\cfrac{r^9}{r^3} =r^{9-3}=r^6$

4 0

3 years ago