add 2x²-4x+2,7x+5x²-5
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Answered by
6
Answer:
4x2 - 2x) - (-5x2 - 8x)
= 4x2 - 2x + 5x2 + 8x.
= 4x2 + 5x2 - 2x + 8x.
= 9x2 + 6x.
= 3x(3x + 2).
Answered by
0
Answer:
7x^2+3x-3
Step-by-step explanation:
you first add the terms with equal variable and equal power,add 2x^2to 5x^2an then 7xto -4x and then 2to -5
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