sqrt(5x^ two - two 0x+ twenty-one)+sqrt(three x^ two -12x+ twenty-eight)=8x-2x^2-3
square root of (5x squared minus 20x plus 21) plus square root of (3x squared minus 12x plus 28) equally 8x minus 2x squared minus 3
square root of (5x to the power of two minus two 0x plus twenty minus one) plus square root of (three x to the power of two minus 12x plus twenty minus eight) equally 8x minus 2x squared minus 3
√(5x^2-20x+21)+√(3x^2-12x+28)=8x-2x^2-3
sqrt(5x2-20x+21)+sqrt(3x2-12x+28)=8x-2x2-3
sqrt5x2-20x+21+sqrt3x2-12x+28=8x-2x2-3
sqrt(5x²-20x+21)+sqrt(3x²-12x+28)=8x-2x²-3
sqrt(5x to the power of 2-20x+21)+sqrt(3x to the power of 2-12x+28)=8x-2x to the power of 2-3