How to split the term x^2 +√2x -4 by splitting the middle term?
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Answered by
3
x^2+√2 - 4
=x^2+2√2x-√2x-4
=x(x+2√2)-√2(x+2√2)
=(x-√2) (x+2√2)
Therefore..
x=√2,-2√2
=x^2+2√2x-√2x-4
=x(x+2√2)-√2(x+2√2)
=(x-√2) (x+2√2)
Therefore..
x=√2,-2√2
Answered by
1
x² + (2✓2-✓2) x - 4
x² + 2✓2x - ✓2x - 4
x ( x + 2✓2) - ✓2 ( x + 2✓2)
(x + 2✓2) (x - ✓2)
x² + 2✓2x - ✓2x - 4
x ( x + 2✓2) - ✓2 ( x + 2✓2)
(x + 2✓2) (x - ✓2)
reemaanver999:
In the last step... Its not x-2√2
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