Posted by **Anna** on Tuesday, January 29, 2013 at 6:22pm.

The expression ax^3+2x^2+cx+1 is 5x^3-3 greater than 3x^3+bx^2+d-7x. Find a, b, c, and d.

- Math -
**bobpursley**, Tuesday, January 29, 2013 at 6:34pm
ax^3+2x^2+cx+1 -( 5x^3-3)=3x^3+bx^2+d-7x

x^3(a-5-3)+x^2(2-b)+x(c+7)+(1+3)-d)=0

check that

then,if it is right, a=8, b=2, c=-7, d=4

## Answer this Question

## Related Questions

- math - Each expression is a perfect square. assuming b is greater than 0, find b...
- math/calculus - f(x)= the absolute value of x^2-6x-7 a) Find a piecewise defined...
- 8th grade math URGENT - 1 1/4 miles in 2 min and 4 seconds, or 1 3/16 miles in 1...
- Math PIZZAZZZ - how does a rodeo star get around?? well if you cant give me an ...
- Math help - Which of the following statements is NOT true regarding an ...
- Math - 5. Which of the following statements is NOT true regarding an expression ...
- Math-approximation with fractions:7th grade math - How do you find the greater ...
- URGENTquestions for Math - A pair of jeans is on sale for 25% off the original ...
- URGENT MATH - A pair of jeans is on sale for 25% off the original price. Which ...
- math - number sense does the expression d-12 have a greater value when d=42 or ...

More Related Questions