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The expression −8x^3(7x^6 − 3x^5) is equivalent to:
A. −56x^9 + 24x^8
B. −56x^9 − 24x^8
C. −56x^18 + 24x^15
D. −56x^18 − 24x^15
E. −32x^4

Sagot :

Lilithidn
[tex]-8x^3(7x^6 - 3x^5) =(-8x^3) \cdot 7x^6 - (-8x^3) \cdot 3x^5 = \\ \\ =-56x^{3+6} +24x^{3+5}= -56x^{9} +24x^{8} \\ \\Answer : \ A. \ \ -56x^9 + 24x^8[/tex]


Konrad509idn
[tex]-8x^3(7x^6-3x^5)=-56x^9+24x^8[/tex]
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