Question

hcf
a) 2a+14, 3a+21
plz solve this

Answer 1

Step-by-step explanation:

2a+14=0

2a=-14

a=-14/2

a=-7

3a+21=0

3a=-21

a=-21/3

a=-7

Answer 2

Step-by-step explanation:

Given:-

Expressions are 2a+14 and 3a+21

To find:-

HCF of 2a+14 and 3a+21.

Solution:-

Given expressions are (2a+14) and (3a+21)

2a+14=2(a+7)

3a+21=3(a+7)

Common factor of 2a+14 and 3a+21 =a+7

HCF of 2a+14 and 3a+21=(a+7)

Answer:-

HCF of (2a+14) and (3a+21) is (a+7)

Used concept:-

• HCF is the heighest Common factor of two or more numbers or expressions.