Question

Solve: $(35x^5+14x^3-28x^2)÷-7x$

• A. $-5x^4-2x^2+4x$
• B. $+5x^4+2x^2-4x$
• C. $-5x^4-2x^2+4x$
• D. $-5x^4+2x^2+4x$

Answer 1

The correct option is A $-5x^4-2x^2+4x$

$(35x^5+14x^3-28x^2)÷-7x$
= $\frac{35x^5}{-7x}$ + $\frac{14x^3}{-7x}$ - $\frac{28x^2}{-7x}$
= $-5x^4-2x^2+4x$