Two receipts
Two shops write the same bill in two different ways.
One receipt says 3 × (x + 2). The other says 3x + 6.
Both charge the same for every possible x.
The maths word for that is equivalent.
Read this step as text
Two shops write the same bill in two different ways.
One receipt says 3 × (x + 2). The other says 3x + 6.
Both charge the same for every possible x.
The maths word for that is equivalent.