Find the factors x^ 2-7x+12
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Case Study Based – II (Questions from 15-18) Mr. Mohanlal purchased a land which is in the shape of a quadrilateral. Its four corner points are given in the graph.
15. The distance between point B and point C is *
1 point
(A) 10 units
(B) 8 units
(C) 6 units
(D) 7 units
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x² - 7x + 12
This question can be solved by splitting its middle term such that sum of two numbers be 7 and their products be 12.
Such two numbers are 3 and 4. Their sum is 7 and product is 12
x² - 7x + 12
⇒ x² - 3x - 4x + 12
⇒ x ( x - 3 ) - 4 ( x - 3 )
⇒ ( x - 3 ) ( x - 4 )
Hence, the answer is found.
Step-by-step explanation:
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