Solve. Look at image attached W/Question

What is the standard form of -5x^2+2x^4-11+x^3+3x

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)