Answer:
40
Step-by-step explanation:
you mutiply then take away the 2 last digits
This type of parabola opens either to the left or to the right. The negative makes it open to the left.
Answer:
Yeah that's easy -3
Step-by-step explanation:
+3=3 which the opposite of a positive is a negative. So -3. Hope this help.
5x^2 -15x-140
5(x² -(3x) -28)
5(x² +(4x-7x)-28)
5(x(x+4) -7(x+4)
5(x-7)*(x-4)
