Question

Factorise 7root 2 x²-10x-4root 2​

Answer 1

Answer:

7√2x^2-10x-4√2

7√2x^2-(14-4)-4√2

7√2x^2-14x+4x-4√2

7√2x(x-√2)+4(x-√2)

(x-√2)(7√2x+4)

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