Simplify (9-0.7t)(9+0.7t)

Math
(9-0.7t)(9+0.7t)
Expand (9-0.7t)(9+0.7t) using the FOIL Method.
Tap for more steps…
Apply the distributive property.
9(9+0.7t)-0.7t(9+0.7t)
Apply the distributive property.
9⋅9+9(0.7t)-0.7t(9+0.7t)
Apply the distributive property.
9⋅9+9(0.7t)-0.7t⋅9-0.7t(0.7t)
9⋅9+9(0.7t)-0.7t⋅9-0.7t(0.7t)
Simplify terms.
Tap for more steps…
Combine the opposite terms in 9⋅9+9(0.7t)-0.7t⋅9-0.7t(0.7t).
Tap for more steps…
Reorder the factors in the terms 9(0.7t) and -0.7t⋅9.
9⋅9+0.7⋅9t-0.7⋅9t-0.7t(0.7t)
Subtract 0.7⋅9t from 0.7⋅9t.
9⋅9+0⋅9t-0.7t(0.7t)
9⋅9+0⋅9t-0.7t(0.7t)
Simplify each term.
Tap for more steps…
Multiply 9 by 9.
81+0⋅9t-0.7t(0.7t)
Multiply 0 by 9.
81+0t-0.7t(0.7t)
Multiply 0 by t.
81+0-0.7t(0.7t)
Multiply t by t.
81+0-0.7⋅0.7t2
Multiply -0.7 by 0.7.
81+0-0.49t2
81+0-0.49t2
Add 81 and 0.
81-0.49t2
81-0.49t2
Simplify (9-0.7t)(9+0.7t)

Solving MATH problems

We can solve all math problems. Get help on the web or with our math app

Scroll to top