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Preeti Tripathi

Class 9th
Maths
2 years ago

Find the common factor in the quadratic polynomials x2 + 8x + 15 and x2 + 3x – 10.

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Abhishek Mishra

2 years ago

Solution: x2 + 8x + 15 = x2 + 5x + 3x + 15 = (x + 3) (x + 5) x2 + 3x – 10 = x2 + 5x – 2x – 10 = (x – 2) (x + 5) Clearly, the common factor is x + 5.

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