Which expression is equivalent to(2x^5+-4x^3)

The equivalent expression is

Step-by-step explanation:

Given:

Here we have expression and to simplify it

Distribute minus sign

Combine the like terms (whose variable part same)

Equivalent expression  

Hence, The equivalent expression is

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3