Basic Math Examples

Solve for t 0=1.4t^2-5t+2.8
Step 1
Rewrite the equation as .
Step 2
Factor out of .
Tap for more steps...
Step 2.1
Factor out of .
Step 2.2
Factor out of .
Step 2.3
Factor out of .
Step 2.4
Factor out of .
Step 2.5
Factor out of .
Step 3
Divide each term in by and simplify.
Tap for more steps...
Step 3.1
Divide each term in by .
Step 3.2
Simplify the left side.
Tap for more steps...
Step 3.2.1
Cancel the common factor of .
Tap for more steps...
Step 3.2.1.1
Cancel the common factor.
Step 3.2.1.2
Divide by .
Step 3.3
Simplify the right side.
Tap for more steps...
Step 3.3.1
Divide by .
Step 4
Use the quadratic formula to find the solutions.
Step 5
Substitute the values , , and into the quadratic formula and solve for .
Step 6
Simplify.
Tap for more steps...
Step 6.1
Simplify the numerator.
Tap for more steps...
Step 6.1.1
Raise to the power of .
Step 6.1.2
Multiply .
Tap for more steps...
Step 6.1.2.1
Multiply by .
Step 6.1.2.2
Multiply by .
Step 6.1.3
Subtract from .
Step 6.2
Multiply by .
Step 7
The final answer is the combination of both solutions.
Step 8
The result can be shown in multiple forms.
Exact Form:
Decimal Form: