There is an app that could help u out a lot is called MathPapa
(3-4x)(8+3x)
= (3+-4x)(8+3x)
= (3)(8)+(3)(3x)+(-4x)(8)+(-4x)(3x)
= 24+9x-32x-12x^2
= -12x^2-23x+24
For the 2 tabs on the table you subtract and get your answer. And for 3 and 4 you divide 90 and 55, 42 and 30. Then try to divide the other ones too :)
Use the formula that I wrote above. That is formula for the distance.
Answer:
-99
Step-by-step explanation: