Question

solve the problem and get your remarks of mark as brainliest

Answer 1

Solution:

  -4x²+{(2x²-3)-(4-3x²)}

= -4x²+{2x²-3-4+3x²}

= -4x²+5x²-7

= x²-7

= (x+7)(x-7)

I hope it helps you :)