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Popular >

factor 36x^4-28x^2

Solution

factor

36 x^{4} - 28 x^{2}

Solution

4 x^{2} (9 x^{2} - 7)

Solution steps

36 x^{4} - 28 x^{2}

Apply exponent rule:

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

x^{4} = x^{2} x^{2}

= 36 x^{2} x^{2} - 28 x^{2}

Rewrite

36

as

4 \cdot 9

Rewrite

28

as

4 \cdot 7

= 4 \cdot 9 x^{2} x^{2} - 4 \cdot 7 x^{2}

Factor out common term

4 x^{2}

= 4 x^{2} (9 x^{2} - 7)

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Frequently Asked Questions (FAQ)

What is factor 36x^4-28x^2 ?
The solution to factor 36x^4-28x^2 is 4x^2(9x^2-7)