Advertisements
Advertisements
प्रश्न
Evaluate: (8 - 12x + 7x2 - 6x3)(5 - 2x)
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
APPEARS IN
संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
Sum of numbers a and b subtracted from their product.
Factorize x4 + x2 y2 + y4
Factorize `21x^2 - 2x + 1/21`
Factorize `2x^2 + 3sqrt5x + 5`
Factorize `9(2a - b)^2 - 4(2a - b) - 13`
Factorize the following expressions:
( x + 2)3 + ( x - 2)3
Find the value of the following expression: 16x2 + 24x + 9, when \[x = \frac{7}{4}\]
The value of \[\frac{(0 . 013 )^3 + (0 . 007 )^3}{(0 . 013 )^2 - 0 . 013 \times 0 . 007 + (0 . 007 )^2}\] is
Divide:
n2 − 2n + 1 by n − 1
Write in the form of an algebraic expression:
Perimeter (P) of a rectangle is two times the sum of its length (l) and its breadth (b).
