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AnilSinghBora
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Use suitable identities to find the following products: (i) (x+4)(x +10) Q.1(1)

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Hello sir how i solve the question of class 9th ncert math of Polynomials chapter of exercise 2.5 of math. Give me the best way for solving the chapter of this question in easy way Use suitable identities to find the following products: (i) (x+4)(x +10)

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  1. Using the identity, (x+a)(x+b) = x 2+(a+b)x+ab

    [Here, a = 4 and b = 10]

    We get,

    (x+4)(x+10) = x2+(4+10)x+(4×10)

    = x2+14x+40

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