Advertisements
Advertisements
प्रश्न
Simplify: a2(2a − 1) + 3a + a3 − 8
Advertisements
उत्तर
To simplify, we will use distributive law as follows:
\[a^2 \left( 2a - 1 \right) + 3a + a^3 - 8\]
\[ = 2 a^3 - a^2 + 3a + a^3 - 8\]
\[ = 2 a^3 + a^3 - a^2 + 3a - 8\]
\[ = 3 a^3 - a^2 + 3a - 8\]
APPEARS IN
संबंधित प्रश्न
Find each of the following product:
−3a2 × 4b4
Find each of the following product: \[( - 7xy) \times \left( \frac{1}{4} x^2 yz \right)\]
Express each of the following product as a monomials and verify the result in each case for x = 1:
(3x) × (4x) × (−5x)
Find the following product: \[\left( - \frac{7}{4}a b^2 c - \frac{6}{25} a^2 c^2 \right)( - 50 a^2 b^2 c^2 )\]
Find the following product:
1.5x(10x2y − 100xy2)
Multiply:
(a − 1) by (0.1a2 + 3)
Multiply:
(x2 + y2) by (3a + 2b)
Simplify : (2x − 1)(2x + 1)(4x2 + 1)(16x4 + 1)
Show that: (9a − 5b)2 + 180ab = (9a + 5b)2
Show that: \[\left( \frac{4m}{3} - \frac{3n}{4} \right)^2 + 2mn = \frac{16 m^2}{9} + \frac{9 n^2}{16}\]
