Question
Solve the equation
x1=−1381019×1389,x2=1381019×1389
Alternative Form
x1≈−0.820139,x2≈0.820139
Evaluate
3(2x5)2×23=38
Multiply
More Steps

Evaluate
3(2x5)2×23
Multiply the terms
69(2x5)2
Rewrite the expression
69×4x10
Multiply the numbers
276x10
276x10=38
Divide both sides
276276x10=27638
Divide the numbers
x10=27638
Cancel out the common factor 2
x10=13819
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±1013819
Simplify the expression
More Steps

Evaluate
1013819
To take a root of a fraction,take the root of the numerator and denominator separately
101381019
Multiply by the Conjugate
10138×1013891019×101389
The product of roots with the same index is equal to the root of the product
10138×1013891019×1389
Multiply the numbers
More Steps

Evaluate
10138×101389
The product of roots with the same index is equal to the root of the product
10138×1389
Calculate the product
1013810
Reduce the index of the radical and exponent with 10
138
1381019×1389
x=±1381019×1389
Separate the equation into 2 possible cases
x=1381019×1389x=−1381019×1389
Solution
x1=−1381019×1389,x2=1381019×1389
Alternative Form
x1≈−0.820139,x2≈0.820139
Show Solution
