-2x^2+20x+4x-40=-2x^2+24x-40 don't know if this is what you want
7. if you have a fraction with the same denominator, to add them together you add the numerators and the keep the denominator the same. to subtract, you subtract the numerator and keep the denominator the same.
8. the whole number times the denominator and add the answer to the numerator. to subtract you so the same just subtract rather than add
Answer:
You can not simplify that, sorry, hope that helped
Step-by-step explanation:
Slope = (2+4)(-8 -1) = 6/-9 = - 2/3
<span>point-slope form of the equation
</span>
y - 2 = -2/3(x + 8)
We know that the area of a rectangle is A=L*W
A of Tara's bedroom,
A(Tara)=9*8=72 square feet
A(Jody)=7*10=70 square feet
Tara's bedroom has a greater area