(5x²+4x-80)(x²-5x-24)=5x²(x²-5x-24)+4x(x²-5x-24)-80(x²-5x-24)
{distributive property of multiplication}
=5x^4-25x³-120x²+4x³-20x²-96x-80x²+400x+1920
=5x^4-21x³-220x²+304x+1920
This is the answer.
The equation of the line is y=(4/5)x+1 in slope-intercept form.
Answer E: 7
Answer D: 4.3
Explanation:
To find the length just divide 10 1/2ft by 1 1/2ft. To find the width divide 6 1/2ft by 1 1/2ft