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Popular >

factor 21x^4y-35x^3y

Solution

factor

21 x^{4} y - 35 x^{3} y

Solution

7 x^{3} y (3 x - 5)

Solution steps

21 x^{4} y - 35 x^{3} y

Apply exponent rule:

a^{b + c} = a^{b} a^{c}

x^{4} y = x^{3} x y

= 21 x^{3} x y - 35 x^{3} y

Rewrite

- 35

as

5 \cdot 7

Rewrite

21

as

3 \cdot 7

= 3 \cdot 7 x^{3} x y + 5 \cdot 7 x^{3} y

Factor out common term

7 x^{3} y

= 7 x^{3} y (3 x - 5)

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Frequently Asked Questions (FAQ)

What is factor 21x^4y-35x^3y ?
The solution to factor 21x^4y-35x^3y is 7x^3y(3x-5)