III. Determine the sum or the difference of the following polynomials . Write the letter of the correct
answer on the space before each number.
21. Find the sum of 4x-97,6x+10, and 8y-4.
a. 18x+6
b. 18x-3
c. 10%-17y+14
d. 10%-4+6
22. Find the sum of 6x+9y-15 and 2x-9y+8.
3. 2244-7
b. 8x+18y-23
d. 8x-7
23. What is the difference when 5x2-6X+4 is subtracted from 9x2-8x+3?
a. 4x2-24-1
b.-4x2+2x+1
c. 14x2-14X+7
d.-14x2+14%-7
24. What is 9X-7x+8 subtracted by 5x2+7X-10
a. 4x2
b.-48-14x+18
c. 9X+5x2-2
d. 9X-5x2-14x+18
25. What is the difference when the sum of 7x+5y and x-8y is subtracted from 6x+14y?
a. 14x+117
b.-2x+17y
c. 13x+114
d. 2x+11y
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Answer:
21.a
22.c
23.c
24.d
25.b
Step-by-step explanation:
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