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Tamara says she used the GCF to factor the expression 21x 56xy as 7(3x 8xy). Is she correct? Explain.

Sagot :

7x is the GCF of the polynomial.

Polynomial

Polynomial is an algebraic expression that consists of variables and coefficients. Variable are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.

Given

21x + 56xy is a polynomial.

To find

The GCF to factor the polynomial.

How to find the GCF to factor the polynomial?

21x + 56xy is a polynomial.

Take 7x common from the polynomial. we have

21x + 56xy

7x (7 + 8y)

Thus, 7x is the GCF of the polynomial.

More about the polynomial link is given below.

https://brainly.com/question/17822016