3 years ago

(7x²+2x+5)+(3x²-8x-10)

1 answer:

7 0

First you would simplify the equation (7x²+2x+5)+(3x²-8x-10) lets start with the first part
(7x²+2x+5)
7x² + 2x which = 49x + 2x which also = 51x Then you add the last part (+5)
51x + 5
Now you simplify the last part.
(3x²-8x-10)
3x²-8x which=9x - 8x which also = 1x or simply x Then add the last part (-10) Which you'll get x-10
51x + 5) + (x - 10) = 52x -5
so your answer is 52x - 5

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