subtract: 3x^(2) +3x+3 from the sum of 7x^(+2)+5 and 7x^(3)+3x^(2)+5x+5
Answers
Answered by
1
Answer:
5x3 + 3x3 + 3x3 - x3 - 5x2 + 2x2 - 2x2- x2 - x2 + 6x - 9x + 4x - 9x + x + 7 – 8 - 4. = 10x3 - 7x2 - 7x - 5 ... Question: 8. Add x2 + 2xy + y2 to the sum of x2 - 3y2and 2x2 - y2 + 9.
Answered by
1
Answer:
7x³+7x²+3x+3
Step-by-step explanation:
7x²+5
+7x³+3x²+5
=7x³+10x²+10
7x³+10x²+10
-( 3x²+3x+3)
=7x³+7x²-3x+7
Similar questions