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Use suitable identities to find the following products :- (x + 4) (x + 10) - Mathematics

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Use suitable identities to find the following products :- (x + 4) (x + 10) 

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Solution

By using the identity (x + a)(x + b) = x2 + (a + b)x + ab,

(x + 4)(x + 10) = x2 + (4 + 10)x + 4*10

                       = x2 + 14x + 40

Concept: Algebraic Identities
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APPEARS IN

NCERT Class 9 Maths
Chapter 2 Polynomials
Exercise 2.5 | Q 1.1 | Page 48

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