Advertisements
Advertisements
Question
The product of (x + 5) and (x – 5) is ____________
Advertisements
Solution
The product of (x + 5) and (x – 5) is x2 – 25
APPEARS IN
RELATED QUESTIONS
672 – 372 = (67 – 37) × ______ = ______.
Using suitable identities, evaluate the following.
9.8 × 10.2
Using suitable identities, evaluate the following.
(9.7)2 – (0.3)2
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).
`x^2/8 - y^2/18`
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
x4 – y4 + x2 – y2
Factorise the following using the identity a2 – b2 = (a + b)(a – b).
8a3 – 2a
The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30 units?
Verify the following:
(m + n)(m2 – mn + n2) = m3 + n3
Find the value of a, if 8a = 352 – 272
