Sagot :
Answer:
x²-5x+7 - 3x²+4x-2=4x²-9x+9
-3x+3 + 2x+5= -x+8
-(6)²=-36
(-5)²=25
(-3)⁴=81
2xy•2xy•2xy•2xy=16x⁴y⁴
15x²•2x⁶=30x⁸
(10xy)(-2xy⁵)=-20x²y⁶
Step-by-step explanation:
erm
Answer:
x²-5x+7 - 3x²+4x-2=4x²-9x+9
-3x+3 + 2x+5= -x+8
-(6)²=-36
(-5)²=25
(-3)⁴=81
2xy•2xy•2xy•2xy=16x⁴y⁴
15x²•2x⁶=30x⁸
(10xy)(-2xy⁵)=-20x²y⁶
Step-by-step explanation:
erm