. Find the sum of the following polynomials. 1. 10mn and -15mn ____________________________________________ 2. -7a 2

Question

. Find the sum of the following polynomials.
1. 10mn and -15mn ____________________________________________
2. -7a
2
and -8a
2
____________________________________________
3. 6(x+3) and -7(x+3) ____________________________________________
4.
1
4
ab and –
1
4
ab ____________________________________________
5. 0.5 xyz and 1.5 xyz

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Khải Quang 6 months 2021-07-30T15:12:42+00:00 1 Answers 16 views 0

Answers ( )

    0
    2021-07-30T15:13:43+00:00

    Answer ad Step-by-step explanation:

    1. Adding 10mn and -15mn.

    10mn + -15mn = -5mn.

    2. Adding -7a^{2} and -8a^{2}.

    -7a^{2} + -8a^{2}  = -15a^{2}.

    3. Adding 6(x + 3) and -7(x + 3).

    6x + 18 + -7x – 21

    x – 3.

    4. Adding ?

    5. Adding 0.5xyz and 1.5 xyz.

    0.5xyz + 1.5xyz = 2xyz.

    #teamtrees #PAW (Plant And Water)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )