3 years ago

What are Factor pairs of 21 x squared

2 answers:

5 0

1 * 21 and 3 * 7 are the only factors of 21
You can match these up with the x^2 or have one x with each factor.
x * 21x
3x * 7x
x^2 * 21
1 * 21x^2
3 * 7x^2
3x^2 * 7

Serhud [2]3 years ago

4 0

21x^2

you CAN'T factor 21x^2

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