The number is x
it is negative
the square is 28 more than 3 times itself
x²=28+3x
minus (28+3x)
x²-3x-28=0
factor
(x-7)(x+4)=0
set to zero
x-7=0
x=7
this is not the answer because we were told the number was negative
x+4=0
x=-4
correct
the number is -4
test
(-4)²=28+3(-4)
16=28-12
16=16
check
the number is -4
Answer:
A,B
Step-by-step explanation:
I think bc I had the same question well something like this in A in B was it
9...
75 + 6 = 81
The square root of 81 = 9
The answer is in the image!
Answer:
27.5 is the answer good luck
Step-by-step explanation:
good luck my G
