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Popular >

factor t^2-81

Solution

factor

t^{2} - 81

Solution

(t + 9) (t - 9)

Solution steps

t^{2} - 81

Rewrite

81

as

9^{2}

= t^{2} - 9^{2}

Apply Difference of Two Squares Formula:

x^{2} - y^{2} = (x + y) (x - y)

t^{2} - 9^{2} = (t + 9) (t - 9)

= (t + 9) (t - 9)

Popular Examples

factor 5x^2-20x+100 factor

5 x^{2} - 20 x + 100

simplify (ln(8))/(ln(2))simplify

\frac{ln ( 8 )}{ln ( 2 )}

simplify 3500(1+(0.0216)/4)^{24}simplify

3500 (1 + \frac{0.0216}{4})^{24}

2 x^{2} - 24 x + 54 = 0

simplify (1/3)^0 simplify

(\frac{1}{3})^{0}

Frequently Asked Questions (FAQ)

What is factor t^2-81 ?
The solution to factor t^2-81 is (t+9)(t-9)