What is expand (a^2b^2-1)(a^2b^2+7) ?

The solution to expand (a^2b^2-1)(a^2b^2+7) is a^4b^4+6a^2b^2-7

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expand (a^2b^2-1)(a^2b^2+7)

expand

(a^{2} b^{2} - 1) (a^{2} b^{2} + 7)

a^{4} b^{4} + 6 a^{2} b^{2} - 7

Solution steps

(a^{2} b^{2} - 1) (a^{2} b^{2} + 7)

Apply FOIL method

(a^{2} b^{2} - 1) (a^{2} b^{2} + 7) : a^{4} b^{4} + 6 a^{2} b^{2} - 7

= a^{4} b^{4} + 6 a^{2} b^{2} - 7

\frac{4}{y + 3} - \frac{3}{y - 3}

16 a^{7} b + 54 a b^{7}

2 (\frac{x}{x + 3}) - 1

8 (5 m + 5)

2 x^{3} - 2 x^{2} - 24 x

What is expand (a^2b^2-1)(a^2b^2+7) ?
The solution to expand (a^2b^2-1)(a^2b^2+7) is a^4b^4+6a^2b^2-7