Expand : ( X + 8 ) ( X + 10 )

Expand : ( x + 8 ) ( x + 10 )

Sum

( x + 8 )( x + 10 ) = x² + ( 8 + 10 )x + 8 x 10
= x² + 18x + 80

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Expansion of Formula

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Chapter 4: Expansions - Exercise 4 (C) [Page 62]

Chapter 4 Expansions
Exercise 4 (C) | Q 1.1 | Page 62

Expand : `( x - 1/x + 5)^2`

If a + `1/a` = m and a ≠ 0 ; find in terms of 'm'; the value of :
`a - 1/a`

In the expansion of (2x² - 8) (x - 4)²; find the value of coefficient of x²

If 2( x² + 1 ) = 5x, find :
(i) `x - 1/x`

(ii) `x^3 - 1/x^3`

If 2( x² + 1 ) = 5x, find :
(i) `x - 1/x`

(ii) `x^3 - 1/x^3`

If 2( x² + 1 ) = 5x, find :
(i) `x - 1/x`

(ii) `x^3 - 1/x^3`

If 3x - `4/x` = 4; and x ≠ 0 find : 27x³ - `64/x^3`

Find the value of 'a': 4x² + ax + 9 = (2x - 3)²

If 3a + 5b + 4c = 0, show that : 27a³ + 125b³ + 64c³ = 180 abc

If x = `1/( x - 5 ) "and x ≠ 5. Find" : x^2 - 1/x^2`