Advertisements
Advertisements
प्रश्न
Simplify: 3a2 + 2(a + 2) − 3a(2a + 1)
Advertisements
उत्तर
To simplify, we will use distributive law as follows:
\[3 a^2 + 2\left( a + 2 \right) - 3a\left( 2a + 1 \right)\]
\[ = 3 a^2 + 2a + 4 - 6 a^2 - 3a\]
\[ = 3 a^2 - 6 a^2 + 2a - 3a + 4\]
\[ = - 3 a^2 - a + 4\]
संबंधित प्रश्न
Find each of the following product:
(−5a) × (−10a2) × (−2a3)
Find the following product: \[\frac{4}{3}a( a^2 + b^2 - 3 c^2 )\]
Simplify: 2a2 + 3a(1 − 2a3) + a(a + 1)
Multiply:
(2x2y2 − 5xy2) by (x2 − y2)
Multiply: \[\left( - \frac{a}{7} + \frac{a^2}{9} \right)by\left( \frac{b}{2} - \frac{b^2}{3} \right)\].
Find the following product and verify the result for x = − 1, y = − 2:
(3x − 5y) (x + y)
Simplify:
x2(x + 2y) (x − 3y)
Simplify:
(x3 − 2x2 + 3x − 4) (x −1) − (2x − 3)(x2 − x + 1)
Simplify : (2.5p − 1.5q)2 − (1.5p − 2.5q)2
Solve:
(3x + 2y)(7x − 8y)
