Factorise ) 7 root2x^2-10x-4 root2 ii) x^2+ x/4 -1/8
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You mean factorize : 7√2x² - 10x - 4√2
= 7√2 x² - 14x + 4x - 4√2
= (7√2x² - 14x) + (4x - 4√2)
= 7√2x(x - √2) + 4(x - √2)
= (x - √2)(7√2x + 4)
= 7√2 x² - 14x + 4x - 4√2
= (7√2x² - 14x) + (4x - 4√2)
= 7√2x(x - √2) + 4(x - √2)
= (x - √2)(7√2x + 4)
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