Answer:
x=10.5
Step-by-step explanation:
40x-120=24x-48
40x-168=24x
16x-168=0
16x=168
x=10.5
Have a great day!
We have that
x²<span>-2x-(2p+3)
if </span><span>-4 is a zero of the polynomial
so
for x=-4
</span>x²-2x-(2p+3)=0----> (-4)²-2*(-4)-(2p+3)=0-----> 16+8-2p-3=0
21-2p=0
2p=21
p=21/2-----> p=10.5
The demoin is all real numbers greater than 6
22/25 should be the answer. ^-^