0

# How do you solve X squared minus four for x equals 3?

Updated: 4/28/2022

Wiki User

14y ago

Your Problem: X - 4 = ?

Current Problem: 3 [squared] - 4 = ?

How: When a numbered is squared, it means you multiply it against itself. So, 3 squared equals 3x3.

3x3 = 9

So, you would then take 9 and minus it by 4, which would than equal 5.

3 [squared] - 4 = 5

or

9 - 4 = 5

Wiki User

14y ago

Earn +20 pts
Q: How do you solve X squared minus four for x equals 3?
Submit
Still have questions?
Related questions

### What is negative sixty-four minus four squared?

Negative sixty-four minus four squared is equal to -80.

### How do you solve four x squared equals sixteen?

Square root both sides and then x = 4

-22 - -22

### How do you solve 3c 4 -7?

Question 3C: Four minus seven equals negative two.

### How do you factor x squared minus four y squared minus twenty eight?

There are no rational factors.

### How do you solve c squared minus five minus twenty four equals zero?

I'll assume that's - 5c. Then you're looking for numbers that multiply to -24 and add to -5. That's -8 and 3. (c - 8)(c + 3) = 0 c = 8, -3

### Three x squared minus eleven x minus four equals zero?

3x2 - 11x - 4 = 0(3x + 1)(x - 4)x = -1/3 and 4

### What is nine squared times two minus four squared?

81 x 2 - 16 = 146

### What is the product of four x squared minus one over two x squared minus five x minus three and x squared minus six x plus nine over two x squared plus five x minus three?

By factoring I get x-3 divided by x+3

### How do you factor x squared minus y squared minus four?

x^2 - y^2 - 4 is in its simplest form.

### What is 4 squared plus 188898 minus 17798 plus 188898 again?

Four squared plus 188,898 minus 17,798 plus 188,898 = 360,014