9 times 10 to the 4th power
Answer:
$75
Step-by-step explanation:
Remove $25 from $150. (125)
Calculate 40% of 125. (50)
Remove that 40%. (75)
So...
150 - 25 = 125 - 50 = 75
(x-3)(x-5)=35
Multiply the brackets together
x*x-5*x-3*x-3*5
x^2-8x+15=35
Move +35 to the other side. Sign changes from +35 to -35
x^2-8x+15-35=35-35
x^2-8x-20=0
(x-10)(x+2)=0
x-10=0 x+2=0
Move -10 to the other side. Sign changes from -10 to +10
x-10+10=0+10 x+2-2=0-2
x=10 x=-2
Answer: x=10
F(x) = -4(-1) - 5
f(x) = 5 - 5
= 0
Good luck! :)
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