split the middle x2 - 14y + 48
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Answered by
5
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• x² - 14x + 48
• We factorise this polynomial by the method of midterm split.
• x² - 14x + 48
• We find two numbers whose sum is (- 14y) and product is (48 × x²) = 48x²
• Clearly, (-8x) + (-6x) = -14x and (-8x)(-6x) = 48x²
Now,
• x² - 14y + 48
= x² - 6x - 8x + 48
= x(x - 6) - 8(x - 6)
= (x - 8)(x - 6)
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Answered by
0
x2 - 14y+48.
we should get 48 by multiply, we should also get 14 by add.
therefore, -6&-8.
therefore equatiom becomes x2-6x-8x+48=0.
x(x-6)-8(x-6)=0.
(x-8)(x-6)=0.
therefore x=8&6.
we should get 48 by multiply, we should also get 14 by add.
therefore, -6&-8.
therefore equatiom becomes x2-6x-8x+48=0.
x(x-6)-8(x-6)=0.
(x-8)(x-6)=0.
therefore x=8&6.
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