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How do you factorise x squared minus 4?

Updated: 4/28/2022

Wiki User

∙ 12y ago

Best Answer

X2 - 4

= (x + 2)(x - 2)

===========

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∙ 12y ago

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Continue Learning about Algebra

X squared minus 8x minus 15?

What about it? Factorise it?

How do you factorise x squared minus 121?

( x2 - 121 ) = (x + 11) times (x - 11)

What is x squared minus x minus 20?

(x - 5)(x + 4)

How do you Solve for x x squared -x -20 0?

factorise (x-5)(x+4)=0 Hence x= 5 or -4

How do you factorise x squared - 3x?

It is: x(x-3) factorized

Related questions

X squared minus 8x minus 15?

What about it? Factorise it?

How do you factorise x squared minus 7 x?

x(x - 7)

How Do you factorise x squared minus 16?

13X squared + 7X + 12

How do you factorise x squared minus 121?

( x2 - 121 ) = (x + 11) times (x - 11)

How how do you factorise 3x squared minus 8x?

3x2 - 8x = x(3x - 8)

What is the answer of 2x-4 over x squared minus 4?

First, factorise both numerator and denominator: (2x - 4) / (x2 - 4) = 2(x - 2) / (x + 2)(x - 2) = 2 / (x + 2).

How do you factorise 2x squared minus 13x plus 21?

(x - 3)(2x - 7)

How do you factorise x squared plus 4x?

x2 + 4x = x(x + 4)

How do you factorise 5x squared minus 9x minus 2?

5x2 + 9x + 13 has no real factors.

How do you simplify 3x squared plus 7x minus 40 divided by x plus 5?

Factorise it: (x + 5)(3x - 8)

How do you factorise x squared - 7x 12?

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What is x squared minus x minus 20?

(x - 5)(x + 4)

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