Question

Find the sum and express it in simplest form. (ab+4a-6)+(ab+6)

Answer 1

= 2ab + 4a + 6 - 6

= 2ab + 4a

you can factor this to 2a(b + 2)

Answer 2

Rewrite (ab+4a-6)+(ab+6) vertically:

ab+4a-6)
+ab +6
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2ab + 4a (answer)