Question

√2 X² + 7 X + 5√2 = 0 to solve this quadratic equation by factorisation, complete the following activity​

Answer 1

Answer:

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Answer 2

Answer:

$\sqrt{2 } {x}^{2} + 7x + 5 \sqrt{2} \\ \\ \\ = \sqrt{2} {x}^{2} + 5x + 2x + 5 \sqrt{2} \\ x( \sqrt{2} x + 5) + \sqrt{2} ( \sqrt{2} x + 5) \\ \\ \\ =( x + \sqrt{2} )( \sqrt{2x } + 5) \\ \\ x = - \sqrt{2} \\ \\ \\ x = \frac{ - 5}{ \sqrt{2} }$

Hope that it will help uh...