What is the sum of 2x+5+3(x+2).
The answer is 5x+11.
What is the difference of (v3-3v2-7) - (5v3+6v2).
The correct answer is 6v3+3r2-7.
What is the product of (x+1) (x+1).
The answer is x2+2x+1.
What is the sum of (4+2n3) + (5n3+2).
The correct answer is 7n3+6.
The difference is (3a2+1)-(4+2a2).
The correct answer is a2-3.
What is the product of (2x+3) (x-1)
The correct answer is 2x2+x-3.
What is the sum of (3r2+5)+(3r2+5).
The correct answer 6r2+10.
The difference is (5a+4) - (5a+3).
The correct answer is 1
What is the product of (5x-3) (2x+7).
The correct answer is 10x2+29x+21
What is the sum of (4v2+ 4v3) + (2v2-4v3).
The answer is 6v2.
The difference is (12a5-6a-10a3) - (10a-2a5-14a4).
The correct answer is 14a15+14a14-10a3-16a.
What is the product of (2x+3)2
The correct answer is 4x2+12x+9