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Answer:
C) 21 ft x 36 ft
Step-by-step explanation:
Because 7 * 3 = 21 ft & 12 * 3 = 36 ft
The missing term is -1155.
Step-by-step explanation:
Given expression is
68 * 27 - 81 + ? = 600
Let the missing term be x

Subtracting 1755 from both sides

Therefore,
The missing term is -1155.
Keywords: multiplication, addition
Learn more about multiplication at:
#LearnwithBrainly
Answer:
{-12,0}
Step-by-step explanation:
first to solve this can collect like terms and add
X² +12x=0
and solve it by factorization method
X² +12x=0
x(x+12)=0
it means x multiplied by x = X² then x multiplied by 12 = 12x
so this means x or (x+12) equals to zero
x=0 and (x+12)=0
x+12=0
x=-12
so the solution set is {-12,0}
but can also be done by formula method