Expand (a+2) (a-1)? Questions › Category: Math › Expand (a+2) (a-1)? 0 Vote Up Vote Down AmuSk asked 4 months ago (a+2) (a-1) 1 Answers 0 Vote Up Vote Down ashvti answered 4 months ago (a+2)(a-1) Multiply each and every term in first bracket with the terms in second bracket. ie, (a+2)(a-1)=(a)(a)+(a)(-1)+(2)(a)+(2)(-1) =a^2-1a+2a-2 =a^2+2-a