Advertisements
Advertisements
Question
Factorize `x^2 + 2sqrt3x - 24`
Solution
Splitting the middle term,
`= x^2 + 4sqrt3x - 2sqrt3x - 24` `[∴ 2sqrt3 = 4sqrt3 - 2sqrt3 " also " 4sqrt3(-2sqrt3) = -24]`
`= x(x + 4sqrt3) - 2sqrt3(x + 4sqrt3)`
`= (x + 4sqrt3)(x - 2sqrt3)`
`∴ x^2 + 2sqrt3x - 24 = (x + 4sqrt3)(x - 2sqrt3)`
APPEARS IN
RELATED QUESTIONS
Factorize: `a^2 x^2 + (ax^2 + 1)x + a`
Factorize `[x^2 + 1/x^2] - 4[x + 1/x] + 6`
Given possible expressions for the length and breadth of the rectangle having 35y2 + 13y – 12 as its area.
What must be added to the following expression to make it a whole square?
4x2 − 12x + 7
The factors of 8a3 + b3 − 6ab + 1 are
Write the number of the term of the following polynomial.
5x2 + 3 x ax
Evaluate: (a2 + b2 + c2 - ab - bc - ca)(a + b + c)
Divide: 6x2 - xy - 35y2 by 2x - 5y
Write the variables, constant and terms of the following expression
29x + 13y
Express the following properties with variables x, y and z.
Distributive property of multiplication over addition