Solve a+a*a=72 - ScanMath

Evaluate

a + a \times a = 72

Multiply the terms

a + a^{2} = 72

Move the expression to the left side

a + a^{2} - 72 = 0

Factor the expression

More Steps

(a - 8) (a + 9) = 0

When the product of factors equals 0,at least one factor is 0

a - 8 = 0 a + 9 = 0

Solve the equation for a

More Steps

a = 8 a + 9 = 0

Solve the equation for a

More Steps

a = 8 a = - 9

Solution

a_{1} = - 9, a_{2} = 8

Solve the quadratic equation