Advertisements
Advertisements
प्रश्न
Factorise the following.
18 + 11x + x2
बेरीज
Advertisements
उत्तर
We have,
18 + 11x + x2
= x2 + 11x + 18
= x2 + (9 + 2)x + 18
= x2 + 9x + 2x + 18
= x(x + 9) + 2(x + 9)
= (x + 9)(x + 2)
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३५]
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
(x + 3) (x + 3)
Use a suitable identity to get the following products.
`(x/2 + (3y)/4)(x/2 + (3y)/4)`
Expand `("a"/2+"b"/3)^2`
Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion?
Use the formula to find the value.
502 × 498
Expand: `("y" - 3/"y")^2`
Evaluate the following, using suitable identity
512
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x4 + 12x3 + 9x2
Factorise the following.
x2 + 15x + 26
