Advertisements
Advertisements
प्रश्न
Evaluate: (2 − z) (15 − z)
योग
Advertisements
उत्तर
(2 − z) (15 − z) = 2(15 − z) −z(15 − z)
= 30 − 2z − 15z + z2
= 30 − 17z + z2
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorise the following:
8a3 – b3 – 12a2b + 6ab2
Evaluate following using identities:
(a - 0.1) (a + 0.1)
Simplify of the following:
(x+3)3 + (x−3)3
Find the following product:
(2ab − 3b − 2c) (4a2 + 9b2 +4c2 + 6 ab − 6 bc + 4ca)
If a + b + c = 9 and a2+ b2 + c2 =35, find the value of a3 + b3 + c3 −3abc
If a + b + c = 0, then write the value of \[\frac{a^2}{bc} + \frac{b^2}{ca} + \frac{c^2}{ab}\]
The number x is 2 more than the number y. If the sum of the squares of x and y is 34, then find the product of x and y.
Evaluate: 20.8 × 19.2
Which one of the following is a polynomial?
If `x/y + y/x = -1 (x, y ≠ 0)`, the value of x3 – y3 is ______.
