Question
Solve the quadratic equation
Solve using the quadratic formula
Solve by completing the square
Solve using the PQ formula
y1=12−181,y2=12+181
Alternative Form
y1≈−1.453624,y2≈25.453624
Evaluate
y2−24y−37=0
Substitute a=1,b=−24 and c=−37 into the quadratic formula y=2a−b±b2−4ac
y=224±(−24)2−4(−37)
Simplify the expression
More Steps

Evaluate
(−24)2−4(−37)
Multiply the numbers
More Steps

Evaluate
4(−37)
Multiplying or dividing an odd number of negative terms equals a negative
−4×37
Multiply the numbers
−148
(−24)2−(−148)
Rewrite the expression
242−(−148)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
242+148
Evaluate the power
576+148
Add the numbers
724
y=224±724
Simplify the radical expression
More Steps

Evaluate
724
Write the expression as a product where the root of one of the factors can be evaluated
4×181
Write the number in exponential form with the base of 2
22×181
The root of a product is equal to the product of the roots of each factor
22×181
Reduce the index of the radical and exponent with 2
2181
y=224±2181
Separate the equation into 2 possible cases
y=224+2181y=224−2181
Simplify the expression
More Steps

Evaluate
y=224+2181
Divide the terms
More Steps

Evaluate
224+2181
Rewrite the expression
22(12+181)
Reduce the fraction
12+181
y=12+181
y=12+181y=224−2181
Simplify the expression
More Steps

Evaluate
y=224−2181
Divide the terms
More Steps

Evaluate
224−2181
Rewrite the expression
22(12−181)
Reduce the fraction
12−181
y=12−181
y=12+181y=12−181
Solution
y1=12−181,y2=12+181
Alternative Form
y1≈−1.453624,y2≈25.453624
Show Solution
