All categories

3 years ago

Please factor 20x^2+11x-4=0

Mathematics

2 answers:

stiks02 [169]3 years ago

7 0

(-1 + -4x)(4 + -5x) = 0

Wewaii [24]3 years ago

3 0

First factor 20x^2
(4x and 5x)
(4x-1)(5x+4)=0
4x-1=0
x=1/4
5x+4=0
x=-4/5

You might be interested in

Solve for x: x-5/-2 = x-1/-3

zhannawk [14.2K]

Answer:

0=−13/6

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Consider the system of equations.

oksian1 [2.3K]

Answer:

b. if dont d cuz I did this one but I kinda forgot

3 0

3 years ago

Read 2 more answers

If ƒ(x) = 2x2 + 3, then which of the following represent ƒ(-1)? 1 - 1 4 5

Oksi-84 [34.3K]

I believe it would be -1.

5 0

3 years ago

Need help, am confused

Lunna [17]

Answer:

C. 2.7 inches.

Step-by-step explanation:

Missing value looks the same, but it's 0.7 ft. longer than 2 ft.

2 + 0.7 = 2.7

Your answer is 2.7 (C).

4 0

2 years ago

Read 2 more answers

Marcel bought a new hat for $21.98 and 2 pairs of socks for $3.98 each. What is the total price, including a 7.5% sales tax?

Bad White [126]

Answer: $32.18

Step-by-step explanation:

Add up

21.98

+ 3.98

-------------------

29.94 + 29.94(0.075)

29.94+2.24

$32.18

7 0

3 years ago