Advertisements
Advertisements
प्रश्न
Evaluate: (8 - 12x + 7x2 - 6x3)(5 - 2x)
योग
Advertisements
उत्तर
(8 - 12x + 7x2 - 6x3)(5 - 2x)
= 5(8 - 12x + 7x2 - 6x3) - 2x (8 - 12x + 7x2 - 6x3)
= 40 - 60x + 35x2 - 30x3 - 16x + 24x4 - 14x3 + 12x4
= 40 - 60x - 16x + 35x2 + 24x4 - 30x3 - 14x3 + 12x4
= 40 - 76x + 59x2 - 44x3 + 12x4
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Factorize the following expressions:
`8x^2y^3 - x^5`
8x3 -125y3 +180xy + 216
Multiply: x2 + 4y2 + z3 + 2xy + xz − 2yz by x − 2y − z
Factorize : x2 − 1 − 2a − a2
Multiply: (2x - 3y)(2x + 3y)
Divide: - 16ab2c by 6abc
Divide: 2a2 - 11a + 12 by a - 4
Find the average (A) of four quantities p, q, r and s. If A = 6, p = 3, q = 5 and r = 7; find the value of s.
Write the variables, constant and terms of the following expression
29x + 13y
–b – 0 is equal to ______.
