exam Maths Puzzle Numerical Ability

If x2 - 13x + 42 = (x + A)(x + B), then A + B =

-42
-1
13
42
none of these

Read Solution (Total 1)

x^2-7x-6x+42
(x-6)(x-7)
a+b=13
9 years agoHelpfull: Yes(0) No(0)

exam Other Question

I need your help!!!

The names of three potential presidential candidates, Smith, Jones and Green, were presented to a focus group to determine the preferences of voters. The nu Find the greatest common factor of the numbers or monomials.

9.16,68

Any help with this equation would be GREATLY appreciated.