Question
Solve the quadratic equation
Solve using the quadratic formula
Solve by completing the square
Solve using the PQ formula
c1=2132−3113,c2=2132+3113
Alternative Form
c1≈0.005217,c2≈3.042402
Evaluate
4−12c=14(3−c)×18c
Multiply
More Steps

Evaluate
14(3−c)×18c
Multiply the terms
252(3−c)c
Multiply the terms
252c(3−c)
4−12c=252c(3−c)
Swap the sides
252c(3−c)=4−12c
Expand the expression
More Steps

Evaluate
252c(3−c)
Apply the distributive property
252c×3−252c×c
Multiply the numbers
756c−252c×c
Multiply the terms
756c−252c2
756c−252c2=4−12c
Move the expression to the left side
768c−252c2−4=0
Rewrite in standard form
−252c2+768c−4=0
Multiply both sides
252c2−768c+4=0
Substitute a=252,b=−768 and c=4 into the quadratic formula c=2a−b±b2−4ac
c=2×252768±(−768)2−4×252×4
Simplify the expression
c=504768±(−768)2−4×252×4
Simplify the expression
More Steps

Evaluate
(−768)2−4×252×4
Multiply the terms
More Steps

Multiply the terms
4×252×4
Multiply the terms
1008×4
Multiply the numbers
4032
(−768)2−4032
Calculate
7682−4032
c=504768±7682−4032
Simplify the radical expression
More Steps

Evaluate
7682−4032
Add the numbers
585792
Write the expression as a product where the root of one of the factors can be evaluated
5184×113
Write the number in exponential form with the base of 72
722×113
The root of a product is equal to the product of the roots of each factor
722×113
Reduce the index of the radical and exponent with 2
72113
c=504768±72113
Separate the equation into 2 possible cases
c=504768+72113c=504768−72113
Simplify the expression
More Steps

Evaluate
c=504768+72113
Divide the terms
More Steps

Evaluate
504768+72113
Rewrite the expression
50424(32+3113)
Cancel out the common factor 24
2132+3113
c=2132+3113
c=2132+3113c=504768−72113
Simplify the expression
More Steps

Evaluate
c=504768−72113
Divide the terms
More Steps

Evaluate
504768−72113
Rewrite the expression
50424(32−3113)
Cancel out the common factor 24
2132−3113
c=2132−3113
c=2132+3113c=2132−3113
Solution
c1=2132−3113,c2=2132+3113
Alternative Form
c1≈0.005217,c2≈3.042402
Show Solution
