Question

Descompuneti in produs, folosind factorul cumun:
a)4 la puterea 5+4 la puterea 8-4 la puterea 4
b)3 la puterea 3+6 la puterea5+3 la puterea 4
c)x la puterea 2+x la puterea 3+x la puterea 4
d)5 la puterea 3×6+5 la puterea 4×7
e)3x la puterea 2y+2xy la puterea 2+4xy
f)7 la puterea 5× x+7 la puterea 4× y+49z
Dau coroana maine imi trebuie

Answer 1

a)4⁵+4⁸-4⁴=4⁴·(4+4⁴-1)=4⁴·(3+4⁴)=256·259=66304
b)3³+6⁵+3⁴=3³+2⁵·3⁵+3⁴=3³·(1+2⁵·3²+3)=27·(1+288+3)=27·292=7884
c)x²+x³+x⁴=x²·(1+x+x²)
d)5³·6+5⁴·7=5³·(6+5·7)=125·41=5125
e)Cred ca e scris gresit...
f)7⁵·x+7⁴·y+7²z=7²·(7³x+7²y+z)