Help me please
It's for my exam
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I hope it will help you.....
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Answer:
Step-by-step explanation:
7√2x^2 – 10x – 4√2.
7√2*4√2 = 56
BY SPLITTING THE MIDDLE TERM
4*14 = 56
SO
7√2x^2 – 14x + 4x – 4√2
7√2x(x – √2)+4(x – √2)
(x – √2)(7√2x + 4)
x = √2. x = –4/7√2
= –2√2/7
Hope this helps you.
All the best for your exams.
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7√2x² - 10x - 4√2
= 7√2x² - 14x + 4x - 4√2
= 7√2x ( x - √2 ) + 4 ( x - √2 )
= ( x - √2 ) ( 7√2x + 4 )