What is expand (3a^2b+2a)(3a^2b-2a) ?

The solution to expand (3a^2b+2a)(3a^2b-2a) is 9a^4b^2-4a^2

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expand (3a^2b+2a)(3a^2b-2a)

expand

(3 a^{2} b + 2 a) (3 a^{2} b - 2 a)

9 a^{4} b^{2} - 4 a^{2}

Solution steps

(3 a^{2} b + 2 a) (3 a^{2} b - 2 a)

Apply Difference of Two Squares

(3 a^{2} b + 2 a) (3 a^{2} b - 2 a) : 9 a^{4} b^{2} - 4 a^{2}

= 9 a^{4} b^{2} - 4 a^{2}

\frac{20}{3}

(5 x + 8)^{2}

f (x^{2})

- 81 x^{6}

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

What is expand (3a^2b+2a)(3a^2b-2a) ?
The solution to expand (3a^2b+2a)(3a^2b-2a) is 9a^4b^2-4a^2