Advertisements
Advertisements
Question
Evaluate: (8 - 12x + 7x2 - 6x3)(5 - 2x)
Advertisements
Solution
(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
RELATED QUESTIONS
Factorize the following expressions
64a3 – b3
If x + y = 4 and xy = 2, find the value of x2 + y2
If x2 + y2 = 29 and xy = 2, find the value of x4 + y4 .
The value of \[\frac{(0 . 013 )^3 + (0 . 007 )^3}{(0 . 013 )^2 - 0 . 013 \times 0 . 007 + (0 . 007 )^2}\] is
Write the number of the term of the following polynomial.
ax ÷ 4 – 7
Write the number of the term of the following polynomial.
ax – by + y x z
Divide: 8x + 24 by 4
If x = 2 and y = 3, then find the value of the following expressions
4y – x
An algebraic statement which is equivalent to the verbal statement “Three times the sum of ‘x’ and ‘y’ is
Express the following properties with variables x, y and z.
Associative property of multiplication
