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x² - x = 42
A number is subtracted from its square and the result is 42. Find the number.
x (x + 2) = 120
Two consecutive even integers have a product of 120. Find the numbers.
x² + 2x - 143 = 0.
Two consecutive negative odd integers have a product of 143. Find the numbers.
x² - 3x = 18
A number squared decreased by three times the number is 18. Find the number.
x² + x - 20 = 0
A number is added to its square and the result is 20. Find the number.
Solve: x² − 7x − 18 = 0
x= 9, x = -2
Solve: x² − 16x + 63 = 0
x = 7, x = 9
Solve: c² - 121 = 0
c = 11, c = -11
Solve: 3x² +6x =0
x = 0, x= -2
Solve: p² − 5 p − 14= 0
x= 7, x = -2
Solve: x² = 144
x = 12, x = -12
Solve: a²- 2a =35
a = 7, a = -5
Solve: b² + 11b +18 = 0
b = -2, b = -9
Solve: x²- x - 2= 0
x = -1, x = 2
Solve: x² -4x= 45
x = 9, x = -5
Solve: x² - 81 = 0
x = 9, x = -9
