1.

Factorise X square + 2 root 2 x minus 30​

Answer»

ANSWER:

x^2+2√2x-30=0

x= -b±\sqrt{b^2-4ac}\\/2a

USING this formula

x=-2√2±√[8+120]/2

x=-√2±11.31/2

Step-by-step EXPLANATION:

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