Answer:
12
Step-by-step explanation:
4u - 8u = -63 + 15 ( collecting like terms)
-4u = -48
u = 12
Answer:
4.2 Solving x2-10x+25 = 0 by Completing The Square . This quadratic equation has one solution only. That's because adding zero is the same as subtracting zero.
Step-by-step explanation:
She threw the ball 84 inches
Answer:
11x^2+x-1
Step-by-step explanation:
To do so, just add the two polynomials together as such:
11x^2 +0x-5 plus
0x^2+1x-4 equals
11x^2+x-1
