Basic Math Examples

Factor 2/3*(-18a+21b)+(-1/3)(15a+12b)
23(18a+21b)+(13)(15a+12b)
Step 1
Factor 13 out of each term.
13(2(18a+21b)(15a+12b))
Step 2
Apply the distributive property.
13(2(18a)+2(21b)(15a+12b))
Step 3
Multiply 18 by 2.
13(36a+2(21b)(15a+12b))
Step 4
Multiply 21 by 2.
13(36a+42b(15a+12b))
Step 5
Apply the distributive property.
13(36a+42b(15a)(12b))
Step 6
Multiply 15 by 1.
13(36a+42b15a(12b))
Step 7
Multiply 12 by 1.
13(36a+42b15a12b)
Step 8
Subtract 15a from 36a.
13(51a+42b12b)
Step 9
Subtract 12b from 42b.
13(51a+30b)
Step 10
Factor.
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Step 10.1
Factor 3 out of 51a+30b.
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Step 10.1.1
Factor 3 out of 51a.
13(3(17a)+30b)
Step 10.1.2
Factor 3 out of 30b.
13(3(17a)3(10b))
Step 10.1.3
Factor 3 out of 3(17a)3(10b).
13(3(17a10b))
13(3(17a10b))
Step 10.2
Remove unnecessary parentheses.
133(17a10b)
133(17a10b)
Step 11
Combine 13 and 3.
33(17a10b)
Step 12
Divide 3 by 3.
1(17a10b)
 x2  12  π  xdx