Advertisements
Advertisements
Question
Find the value of 3ab + 10bc – 2abc when a = 2, b = 5 and c = 8.
Sum
Advertisements
Solution
a = 2, b = 5, c = 8
∴ 3ab + 10bc − 2abc
= 3 × 2 × 5 + 10 × 5 × 8 − 2 × 2 × 5 × 8
= 30 + 400 − 160
= 430 − 160
= 270
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
y × d = .............
If x = 2, y = 5 and z = 4, find the value of the following:
`("x"^2"y"^"x")/"x"`
Evaluate:
(23 – 15) + 4
Evaluate:
5x + (3x + 7x)
Simplify:
x − (x − y) − (− x + y)
Simplify:
(a + b) − (c + d) − (e − f)
If P = − 12x2 – 10xy + 5y2, Q = 7x2 + 6xy + 2y2, and R = 5x2 + 2xy + 4y2 ; find P – Q + R
Multiply and then evaluate:
(x – 2y + z) and (x – 3z); when x = − 2, y = − 1 and z = 1.
Simplify:
3x – 8 (5x – 10)
Simplify:
6 {3x – 8 (5x – 10)}
