Are you asking what 7 times 3 is? Or what is it you're asking
Answer:
errr polynomials ahaha
so basically we can multiply the power outside of the parantheses with the exponents on the inside:
so

this will give us:
-3x^8y^4
we also unfortunately, have to use the power on the coefficient -3 as well and we cant just MULTIPLY -3 by 4, we are going to have to multiply -3 with -3 4 TIMES(anytime we see a coefficient we MUST multiply the coefficient by itself according to the number outside of the parantheses)
so:
-3*-3*-3*-3=81
final expression

Answer:
x = -5/9
Step-by-step explanation:
9x + 5 = 0
x = -5/9
if this is incorrect then ur question is missing something
Answer:
36
Step-by-step explanation:
18=a/2
2*18=a
36=a