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PLEASE HELP, ANSWER THIS EQUATION!

PLEASE HELP ANSWER THIS EQUATION class=

Sagot :

Answer:

1. (5x³+x²-3x-7)+(x²-6x+9) combine like terms

5x³+x²+x²-3x-6x-7+9

5x³+2x²-9x+2

2. (x²-8x+11)-(8x³+x²-5x-9)

-8x³+x²-x²-8x+5x+11+9

-8x³-3x+20

3. (3x³+7x²+6x)+(2x³+6x²+x)

3x³+2x³+7x²+6x²+6x+x

5x³+13x²+7x

4. (4x³+3x²+4)-(-7x³+11x²+12x)

7x³+4x³+3x²-11x²-12x+4

11x³-8x²-12x+4

5. (5x²-11x-3)+(2x²-11x+7)

5x²+2x²-11x-11x-3+7

7x²-22x+4