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REALPCYSTARGANGIN
Answered

A,B and C are represented by 2x²+3x-5,-8x+42 and 18x²-4x-9,respectively.give the sum of these three quantities

Sagot :

WANDERINGLEMONADEIN

Answer:

20x²-9x+28

Step-by-step explanation:

2x²+3x-5 (A)

+ -8x+42 (B)

2x²-5x+37 (Sum of A and B)

then

2x²-5x+37 ( Sum of A and B)

+ 18x²-4x-9 (C)

20x²-9x+28 ( Sum of A,B and C)

so the answer is,

= 20x²-9x+28

sure ako dumaan ako ng grade 7

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