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

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

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

expand

(7 a - 2 b) (2 b + 7 a)

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

Solution steps

(7 a - 2 b) (2 b + 7 a)

Apply Difference of Two Squares

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

= 49 a^{2} - 4 b^{2}

(- 5 v^{3} - 9 v^{2} + 6 v) - (- 5 v^{3} + 9 v^{2} - 6 v)

2^{29}

\frac{sin ^{2} ( x )}{cos ( x )} + cos (x)

(x - a) (x - b)

(- \frac{7}{2} z + 4) + (\frac{1}{5} z - 15)

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