I think it would be 70 cm
Answer:
-4x^2+5x-28
Step-by-step explanation:
Expand -7(x^2 +4) = 3x^2+5x-7x^2-28
Simplify 3x^2+5x-7x^2-28 = -4x^2+5x-28
180/7=25.71428571 per hour
25.71428571/60=0.428571428 (per second
0.428571428/60=0.007142857 (per minute) miles
in foot it is 0.000595238
Answer:
950 Blue monkeys
Step-by-step explanation:
1000-20= 980-30= 950 blue monkeys
You can do addition and substraction operations with polynomials similarly as with simple real numbers.
First of all you have to open brackets and then you can add numbers (-7-4=-11). Then the result is following: