If x = 3, find the value of 4x² – 5x + 7
If x = –2, find the value of 6x² + 3x – 10
If x = 5, find the value of 9x – 4x² + 11
If x = 1/2, find the value of 8x + 12x² – 3
If x = –3, find the value of 7x² – 4x + 9
If x = 4, find the value of 3x² – 7x + 5
If x = –1, find the value of 10x² + 5x – 2
If x = 2, find the value of 4x² + 3x – 7/2
If x = 3/4, find the value of 12x – 8x² + 1
If x = –1/3, find the value of 15x² – 2x + 4
If x = 2 and y = 3, find the value of 4x + 5y
If x = –1 and y = 4, find the value of 6x – 3y
If x = 5 and y = –2, find the value of 7x + 8y
If x = 3 and y = 2, find the value of 2x² + 3y
If x = –2 and y = 1, find the value of 5x² – 4y
If x = 4 and y = –3, find the value of 9x – 6y²
If x = 1 and y = 2, find the value of 3x² + 4xy + y²
If x = –3 and y = –1, find the value of 2x² – xy + 5y
If x = 2 and y = 5, find the value of 7x + 3y²
If x = –4 and y = 2, find the value of 6x² + 2xy – y²
If x = 3 and y = 4, find the value of 5x² + 2y²
If x = –2 and y = 3, find the value of 6x² – 4xy + y²
If x = 1 and y = –1, find the value of 3x² + 2xy – y²
If x = 2 and y = –3, find the value of 7x² + 4xy + 5y²
If x = –3 and y = 2, find the value of 8x² – 5xy + 3y²
If x = 4 and y = –1, find the value of 9x² + 6xy – y²
If x = 2 and y = 5, find the value of 10x² + 2xy + y²
If x = –1 and y = 2, find the value of 4x² – 3xy + 2y²
If x = 3 and y = –2, find the value of 5x² – 6xy + 4y²
If x = –2 and y = –3, find the value of 6x² + 5xy + y²