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sa mga magagalin sa math paki sagutan ito

Sa Mga Magagalin Sa Math Paki Sagutan Ito class=

Sagot :

Add the following polynomials.

(4a + 2d) + (3a + d)
Combine like terms.
= 7a + 3d

(9x + 10xy) + (5x - 5xy)
Combine like terms.
= 14x + 5xy

(6k + 85g) + (3k -28g)
Combine like terms.
= 9k + 27g

(15p - 3w) + (8p - 5w)
Combine like terms.
= 23p - 8w

(28h - 41) + (7h - 771)
Combine like terms.
= 35h - 812


In subtracting polynomials, change the sign of each term of the subtrahend, then proceed to addition rule (combining like terms, considering the rule in addition of integers.

Note: I've changed the sign of each term of the the subtrahend.

1)   2a + b - 3c
     -3a  -2b -4c
      -a  -b  -7c

2)  5x + 2y -6z
    -7x + 2y -3z
  -2x  + 4y -9z

3)  7p - 3k + 4m
    -8p + 4k + 2m
   -p  + k  + 6m

4)  5x - 7y + 4z
   -2x + 8y - 2z
   3x  + y  + 2z

5)  9ax  - 4ay  - 8az
    -2ax + 5ay + 9az
    7ax  + ay +  az

(Note:  Addition of polynomials was correctly answered above by the moderator)