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Use a Suitable Identity to Get the Following Products. (X + 3) (X + 3) - Mathematics

Use a suitable identity to get the following products.

(x + 3) (x + 3)

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Solution

The product will be as follows

(x + 3) (x + 3) = (x + 3)2

= (x)2 + 2(x) (3) + (3)2 [(a + b)2 = a2 + 2ab + b2]

= x2 + 6x + 9

Concept: Expansion of (a + b)2 = a2 + 2ab + b2
  Is there an error in this question or solution?
Chapter 9: Algebraic Expressions and Identities - Exercise 9.5 [Page 151]
Q 1.01
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NCERT Class 8 Maths Textbook
Chapter 9 Algebraic Expressions and Identities
Exercise 9.5 | Q 1.01 | Page 151
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