Question


Answer

Let b = a+1

The original expression is converted to

5+7(a+1) -6(a+1)^2

=5+7b-6b^2

=-(6b^2-7b-5)

=-(2b+1)(3b-5)

= (2b+1)( 5-3b)

Steven Zheng posted 1 month ago

Scroll to Top