Learning Task 3
Perform the indicated operations. Write the correct answer.
1. (2a + 3b - 4) + (a - 25+3), the sum of the first term is
A. 2a B. 3a
2. (2a + 3b-4)+(a - 2b+3) A. 3a + 5b -7 B. 3a +b-1
3. (x + 3y + d) + (x - 5y - 3d) A. 2x - 2y - 2d B. 2x + 7y -- 4d
4. (2x2 + 7y2 + 5) + (3y2 – 2x2 +4) A. 2x2 + 10y2 + 9 B. 10y2+9
5. (2x3y - 3x2y2 + 5xy3) + (xły -- 5x2y2 - 7xy) A. 3xºy - 8x2y2 – 2xy3 B. 3x?y – 2x2y2 + 12xy3
6. (2a + 3b-4)-(a-2b+3) A. a-5b-7 B. a + b + 1
7. (2x2 + 5x) - (x2 + 3x)
A. x2 + 8x B. 5x5 + x2 - 3x
8. (x + y-2)-(5x – 3y - 4) A. 4x + 2y +2 B. 4x + 4y + 2
9. (7x2 – 12)-(3x2 + 4x + 9) A. 4x2 - 4x -21
B. 4x2 + 4x -3
10. (X - 5x2 + 9x+8)-(2x + 3x2 +6x2 + x) A. -** - 3x3 - 11x2 + 8x+8 B. -** + 11x2 + 8x + 8​