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

The solution to expand (-7a^2+2)(7a^2+2) is 4-49a^4

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

expand

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

4 - 49 a^{4}

Solution steps

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

Apply Difference of Two Squares

(- 7 a^{2} + 2) (7 a^{2} + 2) : 4 - 49 a^{4}

= 4 - 49 a^{4}

7 - 43

(x - 2) (x - 2) (x - 2)

6^{2} + \frac{2 ( 5 - 3 )}{2} + 10 \cdot 5

4 (2)

(3 x + 5) (2 x^{2} - 2 x - 1)

What is expand (-7a^2+2)(7a^2+2) ?
The solution to expand (-7a^2+2)(7a^2+2) is 4-49a^4