Hi All,

This question can be solved with Algebra (and recognizing Classic Quadratics) or by TESTing VALUES.

We're asked for the value of (A+B)^2

Fact 1: AB = 0

This means that either A or B or Both = 0

IF...

A = 0

B = 0

(0+0)^2 = 0

IF....

A = 1

B = 0

(1+0)^2 = 1

Fact 1 is INSUFFICIENT

Fact 2: (A-B)^2 = 36

This ultimately means that (A-B) = 6 or -6

IF.....

A = 6

B = 0

(6+0)^2 = 36

IF....

A = 7

B = 1

(7+1)^2 = 64

Fact 2 is INSUFFICIENT

Combined, we know....

A or B or Both = 0

(A-B) = 6 or -6

IF....

A = 0

B = 6 OR -6

(0+6)^2 = (0-6)^2 = 36

IF....

B = 0

A = 6 OR -6

(0+6)^2 = (0-6)^2 = 36

The answer is ALWAYS 36.

Combined, SUFFICIENT

Final Answer:

GMAT assassins aren't born, they're made,

Rich

_________________

760+: Learn What GMAT Assassins Do to Score at the Highest Levels

Contact Rich at: Rich.C@empowergmat.com

# Rich Cohen

Co-Founder & GMAT Assassin

Special Offer:

Save $75 + GMAT Club Tests Free
Official GMAT Exam Packs + 70 Pt. Improvement Guarantee

www.empowergmat.com/
***********************Select EMPOWERgmat Courses now include ALL 6 Official GMAC CATs!***********************