Advertisements
Advertisements
Question
Multiply: 2m2 − 3m − 1 and 4m2 − m − 1
Solution
(2m2 − 3m − 1) (4m2 − m − 1)
= 2m2(4m2 − m − 1) − 3m(4m2 − m − 1) −1(4m2 − m −1)
= 8m4 − 2m3− 2m2 − 12m3 + 3m2 + 3m − 4m2 + m + 1
= 8m4 − 14m3 − 6m2 + 3m2 + 4m + 1
= 8m4 − 14m3 − 3m2 + 4m + 1
APPEARS IN
RELATED QUESTIONS
Find the product of the following pair of monomial.
4p, 0
Find the areas of rectangles with the following pairs of monomials as their lengths and breadths, respectively.
(p, q); (10m, 5n); (20x2, 5y2); (4x, 3x2); (3mn, 4np)
Multiply: −8x and 4 − 2x − x2
Multiply: x + 4 by x − 5
Multiply: 12a + 5b by 7a − b
Multiply: `2"a"^3-3"a"^2"b"` and `-1/2"ab"^2`
Multiply (4x2 + 9) and (3x – 2)
Three consecutive integers, when taken in increasing order and multiplied by 2, 3 and 4 respectively, total up to 74. Find the three numbers.
Product of the following monomials 4p, – 7q3, –7pq is ______.
Multiply the following:
6mn, 0mn
