a2+8a+15, (a+3)(a+5), a2+2a-15, (a-3)(a+5), a2-2a-15, (a+3)(a-5), a2-8a+15, (a-3)(a-5), a2+6a+8, (a+2)(a+4), a2+2a-8, (a-2)(a+4), a2-2a-8, (a+2)(a-4), a2-6a+8, (a-2)(a-4), a2+8a+16, (a+4)2, a2-8a+16, (a-4)2, a2-16, (a+4)(a-4), 2a2+5a-3, (2a-1)(a+3), 2a2-5a-3, (2a+1)(a-3), 6a2-a-12, (2a-3)(3a+4).

Expanding Double Brackets

Leaderboard

Visual style

Options

Switch template

Continue editing: ?