From the sum of 3x²-5x²+2 and -⁵x²-8x+6 subtract 4x²-9x+7
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Answered by
2
Answer:
3x²-5x²+2
-5x²-8x+6(for subtraction we must change the signs of the 2 nd expression)
so it is
3x²-5x²+2 = -2x ²+ 0x +2
5x ²+8x-6
= 3x²+8x +4
Answered by
1
Answer:
3xsquare +8x+4
Step-by-step explanation:
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