Advertisements
Advertisements
प्रश्न
Multiply (4x2 + 9) and (3x – 2)
Advertisements
उत्तर
(4x2 + 9)(3x – 2) = 4x2(3x – 2) + 9(3x – 2)
= (4x2)(3x) – (4x2)(2) + 9(3x) – 9(2)
= (4 × 3 × x × x2) – (4 × 2 × x2) + (9 × 3 × x) – 18
= 12x3 – 8x2 + 27x – 18(4x3 + 9)(3x – 2)
= 12x3 – 8x2 + 27x – 18
APPEARS IN
संबंधित प्रश्न
Find the product of the following pair of monomial.
− 4p, 7pq
Obtain the product of a, 2b, 3c, 6abc.
Express each of the following product as a monomials and verify the result for x = 1, y = 2: \[\left( \frac{1}{8} x^2 y^4 \right) \times \left( \frac{1}{4} x^4 y^2 \right) \times \left( xy \right) \times 5\]
Multiply: −8x and 4 − 2x − x2
Multiply: 12a + 5b by 7a − b
Multiply: x2+ x + 1 by 1 − x
Multiply: abx, −3a2x and 7b2x3
The length of a rectangle is `1/3` of its breadth. If its perimeter is 64 m, then find the length and breadth of the rectangle.
At present, Thenmozhi’s age is 5 years more than that of Murali’s age. Five years ago, the ratio of Thenmozhi’s age to Murali’s age was 3 : 2. Find their present ages.
Multiply the following:
abc, (bc + ca)
