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Subjects>Math>Math & Arithmetic

What is the factorization of x2 plus 4x minus 21?

Updated: 10/18/2022

Wiki User

∙ 14y ago

Best Answer

21 = 3 x 7 and 7 - 3 = 4 so: (x + 7)(x - 3)

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∙ 14y ago

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What is the complete factorization of 16x2 minus 56x plus 49?

16x2 - 56x + 49 = (4x - 7)2

How do you factor x squared minus 4x minus 21?

x2 - 4x - 21 = (x-7)(x+3)

4x squared plus 12x minus 40 divided by x minus 2?

4x + 20

What is 4x plus 13 equals 21?

4x+13 = 21 4x = 21-13 4x = 8 x = 2

-3x equals -21 plus 4x?

-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3

Related questions

What is the complete factorization of 16x2 minus 56x plus 49?

16x2 - 56x + 49 = (4x - 7)2

How do you factor x squared minus 4x minus 21?

x2 - 4x - 21 = (x-7)(x+3)

What is 8x squared minus 8x minus 16 in factorization form?

(4x-8)(2x+2)

4x squared plus 12x minus 40 divided by x minus 2?

4x + 20

What is x plus 4x plus 5?

minus 1

What is 4x plus 13 equals 21?

4x+13 = 21 4x = 21-13 4x = 8 x = 2

What is the factorization 4x² plus 12x plus 9?

The factorisation is as follows: 4x² + 12x + 9 = (2x + 3)2.

4x squared plus 12x minus 40 divided by 4x plus 20?

x - 2

What is factorization of this trinomial -4x plus 11x - 6?

(-4x + 3)(x - 2)Apex :)!!

-3x equals -21 plus 4x?

-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3

What is 8 x plus 2 minus 4x plus 7 simplified as?

This would simplify as 4x-5

How can you simplify x2 plus 2x-35x2 plus 4x-21?

It is: 4x -34x^2 -21 simplified

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