The 3 is distributed to the a+b inside the brackets........
So to find the answer of the area, you have to multiply 7 and 8 which would equal to 56.
The first one is 154
The second one is 12.65^2
Answer:
1.526
Step-by-step explanation:
12-2x-9x-2 = 4+8x-32
-11x+10 = 8x-28
-19x = -29
x = 1.526