Question

using standard formulae expand the following : ( x+7) (x+4)​

Answer 1

(x+7) (x+4)

we know that (x+a) (x+b) = x² + (a+b)x + ab

So substituting the values ,

we get ,

x² + (11)x + 28

x² + 11x + 28 ans.

Plz mark this brainliest