solve -7x . 3x 3rd power
To multiply -7x by 3x to the 3rd power, we need to multiply the coefficients and combine the variables.
-7x * 3x^3 = -7 * 3 * x * x^3 = -21x^4
So, -7x * 3x^3 = -21x^4.
-7x * 3x^3 = -7 * 3 * x * x^3 = -21x^4
So, -7x * 3x^3 = -21x^4.