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Popular >

factor 4x^2-9x^2

Solution

factor

4 x^{2} - 9 x^{2}

Solution

- 5 x^{2}

Solution steps

4 x^{2} - 9 x^{2}

Rewrite

4 x^{2}

as

(2 x)^{2}

Rewrite

9 x^{2}

as

(3 x)^{2}

= (2 x)^{2} - (3 x)^{2}

Apply Difference of Two Squares Formula:

x^{2} - y^{2} = (x + y) (x - y)

(2 x)^{2} - (3 x)^{2} = (2 x + 3 x) (2 x - 3 x)

= (2 x + 3 x) (2 x - 3 x)

Simplify

(2 x + 3 x) (2 x - 3 x) : - 5 x^{2}

= - 5 x^{2}

Popular Examples

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\frac{d}{d x} (3 x - x^{3}) + 3 x^{2}

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15 a x - 12 a + 20 b x - 16 b

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(k - p) - y

factor-x+(-x^2)factor

- x + (- x^{2})

Frequently Asked Questions (FAQ)

What is factor 4x^2-9x^2 ?
The solution to factor 4x^2-9x^2 is -5x^2