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Factorize of the expression: 7sqrt(2)\...

Factorize of the expression: `7sqrt(2)\ x^2-10 x-4sqrt(2)`

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`7sqrt(2)\ x^2-10 x-4sqrt(2)`
By splitting middle term:
`=7sqrt2x^2−(14−4)x−4sqrt2`
`=7sqrt2x^2−14x+4x−4sqrt2`
`=7sqrt2x(x−sqrt2)+4(x−sqrt2)`
`=(7sqrt2x+4)(x−sqrt2)`
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