(9x^4-13x^3-x-7)+(7x^3-2x+1)=
9x^4-13x^3-x-7+7x^3-2x+1=
9x^4+(-13+7)x^3+(-1-2)x-7+1=
9x^4+(-6)x^3+(-3)x-6=
9x^4-6x^3-3x-6
Answer: Option <span>D.)9x^4−6x^3−3x−6</span>
Answer:
x=9
Step-by-step explanation:
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Answer:
11 cups
Step-by-step explanation:
Since he has already baked 26.
-The additional number of cakes to be baked is
=48-26=22 cakes
Each cup of sugar bakes 2 then for 22 it means he needs 22/2=11 cups of sugar