Question

factorise √2 x^2+ x - 15√2 by splitting middle term​

Answer 1

Answer:

=2x²+5x-10x-15. (as sum =-15 and product=30)

=x(2x+5)-5(2x+5)

=(2x+5)(x-5)

..........hope it helps ....

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Answer 2

Step-by-step explanation:

$\sqrt{2} {x}^{2} + x - 15 \sqrt{2} \\ = \sqrt{2} {x}^{2} + 6x - 5x - 15 \sqrt{2} \\ = \sqrt{2} x(x + 3 \sqrt{2} ) - 5(x + 3 \sqrt{2} ) \\ = (x + 3 \sqrt{2} )( \sqrt{2} x - 5) \\ anssssssssssss$

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