Advertisements
Advertisements
प्रश्न
Simplify: (5a + 5b – c) (2b – 3c)
Advertisements
उत्तर
(5a + 5b - c) (2b - 3c)
= 5a (2b - 3c) + 5b (2b - 3c) - c (2b - 3c)
= 10ab - 15ac + 10b(1+1) - 15bc - 2bc + 3c(1+1)
= 10ab - 15ac + 10b2 - 17bc + 3c2
Hence, (5a + 5b - c) (2b - 3c)
= 10ab - 15ac + 10b2 - 17bc + 3c2
APPEARS IN
संबंधित प्रश्न
Multiply: 6x3 − 5x + 10 by 4 − 3x2
Simplify : (4x – 5y) (5x – 4y)
The base and the altitude of a triangle are (3x – 4y) and (6x + 5y) respectively. Find its area.
Multiply -4xy3 and 6x2y and verify your result for x = 2 and y= 1.
Find the value of (3x3) × (-5xy2) × (2x2yz3) for x = 1, y = 2 and z = 3.
Evaluate (3x4y2) (2x2y3) for x = 1 and y = 2.
Evaluate: (2x – 5y)(2x + 3y) for x = 2 and y = 3.
Evaluate: xz (x2 + y2) for x = 2, y = 1 and z= 1.
Evaluate: 2x(3x – 5) – 5(x – 2) – 18 for x = 2.
Simplify : (5 – x) (6 – 5x) (2 -x).
