Question

Simplify 4ab+3acb-7ab-7a by combining like terms and then factorising the expression

Answer 1

a(-3b + 3cb - 7)

Explanation:

In order simplify the expression 4ab + 3acb - 7ab - 7a, first, let's combine the like terms:

Combine like terms with 'ab':

`\sf 4ab-7ab+3acb-7a`

Now, the expression becomes:

`\sf -3ab + 3acb - 7a`

Next, factorize the expression:

Factor out the common term 'a' from the remaining terms and keep the remaining terms in bracket.

a(-3b + 3cb - 7)

The simplified and factorized expression is: a(-3b + 3cb - 7)