Answer:
The last option.
Step-by-step explanation:
Hope this helps!
Wait hold on
Answer:
7A−(I + A)³
=7A−(1³ + A³ +3.I.A² +3.1².A)
=7A−(I+ A².A+3A² +34)
= 7A-(I+A.A+3A+34) (*: A² = A)
=7A-(I+ A² +6A)
= 7A-(I+A+64)
=7A-(1+7A)
=7A-I-7A
=-1
27 is the answer, I can explain how I got that if you need.
Given :
The square of a number, x, is 16 less than eight times the number.
To Find :
The value of x .
Solution :
The mathematical equation with all given data is :

Therefore , the value of x is 4 .
Hence , this is the required solution .
I can’t see the photo sorry