exam Maths Puzzle Numerical Ability

How do you complete the square for (((2x^2+3x+4=0)))?

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exam Other Question

is this a linear equation 4x-2y=-1 explain A square support unit in a television is made with a side measuring 3 centimeters. A new model being designed for the upcoming year will have a larger square with a side measuring 3.2 centimeters. By how much will the area of the square be increased?