minus 4 x to the power 2 + ((2 x to the power 2 - 3 (minus) 4 - 3 x to the power 2 ()
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Step-by-step explanation:
(-4x)^2 + (2x)^2-3-(4-3x)^2
=> 16x^2 + 4x^2-3-[(4)^2+(3x)^2+2*4*3x]
=> 20x^2 -3-(16+9x^2-24x)
=> 20x^2-3-16-9x^2+24x
=> 11x^2+24x-19
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