Hi I really need help s with this question please

3x^4 y - 48x^2 y =

3x^2 y ( x^2 - 16 ) =

3x^2 y ( x - 4 )( x + 4 )

-45x²y

so basically you subtract the numbers and then the indices

edit: just realised this was the wrong method x

infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions