Question

-4x2+{(2x2-3)-(4-3x2)}
long ans

Answer 1

-4x2+{(2x2-3)-(4-3x2)}

First, solve the inner brackets

= -4x2 + {(4-3) - (4-6)}

= -4x2 + {(1) - (-2)}

Then solve the bracket,

= -4x2 + {1 + 2}

Next, multiplication is done,

= -4x2 + 3

finally, the addition is done,

= -8 + 3

= -5