Advertisements
Advertisements
Question
Multiply: (1 + 6x2 - 4x3)(-1 + 3x - 3x2)
Advertisements
Solution
(1 + 6x2 - 4x3)(-1 + 3x - 3x2)
⇒ 1(- 1 + 3x - 3x2) + 6x2 (- 1 + 3x - 3x2) - 4x3 (- 1 + 3x - 3x2)
⇒ - 1 + 3x - 3x2 - 6x2 + 18x3 - 18x4 + 4x3 - 12x4 + 12x5
⇒ - 1 + 3x - 9x2 + 22x3 - 30x4 + 12x5
APPEARS IN
RELATED QUESTIONS
Factorize xy9 - yx9
Factorize the following expressions:
a12 + b12
8x3 + 27y3 - 216z3 + 108xyz
The factors of 8a3 + b3 − 6ab + 1 are
The value of \[\frac{(0 . 013 )^3 + (0 . 007 )^3}{(0 . 013 )^2 - 0 . 013 \times 0 . 007 + (0 . 007 )^2}\] is
Multiply: (2x - 3y)(2x - 3y)
Divide: x2 + 4xy + 4y2 by x + 2y
If x = 2 and y = 3, then find the value of the following expressions
2x – 3y
A taxi service charges ₹ 8 per km and levies a fixed charge of ₹ 50. Write an algebraic expression for the above situation, if the taxi is hired for x km.
A student wrote an algebraic expression for “5 less than a number n divided by 3” as `n/3 - 5`. What error did the student make?
