What is (sqrt(2a)-5)(7sqrt(2a)-5) ?

The solution to (sqrt(2a)-5)(7sqrt(2a)-5) is 14a-40sqrt(2)sqrt(a)+25

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simplify (sqrt(2a)-5)(7sqrt(2a)-5)

simplify

(2 a - 5) (7 2 a - 5)

14 a - 402 a + 25

Solution steps

(2 a - 5) (7 2 a - 5)

Expand

(2 a - 5) (7 2 a - 5) : 14 a - 40 2 a + 25

= 14 a - 40 2 a + 25

Apply radical rule:

assuming

a \geq 0, b \geq 0

= 14 a - 402 a + 25

3 (3^{2} \cdot 3^{0})

(- 32) (- 2)

(49)^{\frac{3}{2}}

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

70 \div 7

What is (sqrt(2a)-5)(7sqrt(2a)-5) ?
The solution to (sqrt(2a)-5)(7sqrt(2a)-5) is 14a-40sqrt(2)sqrt(a)+25