Advertisements
Advertisements
Question
Simplify the expression and find the value if x is equal to 2.
6x + 5 (x − 2)
Sum
Solution
6x + 5 (x - 2)
= 6x + 5x - 10
= 11x - 10
Putting x = 2 we get,
= (11 × 2) - 10
= 22 - 10
= 12
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify the expression and find the value if x is equal to 2:
x + 7 + 4 (x - 5)
Simplify the expression and find its value when a = 5 and b = −3.
2 (a2 + ab) + 3 − ab
If m = 2, evaluate:
15m2 – 10m
If x = 10, evaluate:
6x2 – 25x
If x = – 6, evaluate:
2x3
If m = – 7, evaluate:
2m3
If x = 5 and y = 4, evaluate:
3y2
If x = − 6, evaluate:
`"x"^2/2`
If m = − 8, evaluate:
`"m"^2/4`
From the formula B = 2a2 – b2, calculate the value of B when a = 3 and b = − 1.
