Advertisements
Advertisements
प्रश्न
(x + 4) and (x – 5) are the factors of ___________
विकल्प
x2 – x + 20
x2 – 9x – 20
x2 + x – 20
x2 – x – 20
उत्तर
(x + 4) and (x – 5) are the factors of x2 – x – 20
APPEARS IN
संबंधित प्रश्न
(7x + 3)(7x – 4) = 49x2 – 7x – 12
Evaluate the following, using suitable identity
990 × 1010
Using identity, find the value of (1.9) × (2.1)
Find the value of (x – y)(x + y)(x2 + y2)
Multiply the following:
(a2 – b2), (a2 + b2)
Using suitable identities, evaluate the following.
(9.7)2 – (0.3)2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
9x2 – 1
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
`y^3 - y/9`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
1331x3y – 11y3x
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
16x4 – 625y4