Which expression is equivalent to 2x^2+\left(4x-6x^2\right)+9-\left(6x+3\right) ?
-4x^2\ -2x+12
-4x^2\ -2x+6
-10x + 6
18x + 12
Write the following in standard form.
$(2x^{2}+3x-9)-(5x^{2}-6x-3)$
Which expression is equivalent to \frac{14a^4b^6c^{-10}}{8a^{-2}b^3c^{-5}}?
\frac{7a^2b^3}{4c^{15}}
\frac{6a^2b^9}{c^{15}}
\frac{7a^6b^3}{4c^5}
\frac{7b^2c^2}{4a^2}
Which expression is equivalent to 9q^2-\frac{2}{3}\left(3q-7\right)+5q^2?
9q^2-\frac{5}{3}q-3
9q^2\ -2q-3
14q^2-2q+\frac{14}{3}
14q^2-\frac{5}{3}q-\frac{14}{3}
Multiply the following:
$(5x+4)(4x-1)$
20x^2\ +36x-16
20x^2\ +11x-16
16x^2\ -16
9x^2\ -16
Multiply.
$(x+3)(2x^{2}-4x-1)$