Basic Math Examples

Factor (18x+13xy-11y)-(21x-14xy-5y)
(18x+13xy-11y)-(21x-14xy-5y)(18x+13xy11y)(21x14xy5y)
Step 1
Regroup terms.
18x+13xy-11y-(21x-14xy-5y)18x+13xy11y(21x14xy5y)
Step 2
Apply the distributive property.
18x+13xy-11y-(21x)-(-14xy)-(-5y)18x+13xy11y(21x)(14xy)(5y)
Step 3
Simplify.
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Step 3.1
Multiply 2121 by -11.
18x+13xy-11y-21x-(-14xy)-(-5y)18x+13xy11y21x(14xy)(5y)
Step 3.2
Multiply -1414 by -11.
18x+13xy-11y-21x+14(xy)-(-5y)18x+13xy11y21x+14(xy)(5y)
Step 3.3
Multiply -55 by -11.
18x+13xy-11y-21x+14(xy)+5y18x+13xy11y21x+14(xy)+5y
18x+13xy-11y-21x+14(xy)+5y18x+13xy11y21x+14(xy)+5y
Step 4
Remove parentheses.
18x+13xy-11y-21x+14xy+5y18x+13xy11y21x+14xy+5y
Step 5
Add 13xy13xy and 14xy14xy.
18x+27xy-11y-21x+5y18x+27xy11y21x+5y
Step 6
Add -11y11y and 5y5y.
18x+27xy-21x-6y18x+27xy21x6y
Step 7
Factor 33 out of 27xy-21x-6y27xy21x6y.
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Step 7.1
Factor 33 out of 27xy27xy.
18x+3(9xy)-21x-6y18x+3(9xy)21x6y
Step 7.2
Factor 33 out of -21x21x.
18x+3(9xy)+3(-7x)-6y18x+3(9xy)+3(7x)6y
Step 7.3
Factor 33 out of -6y6y.
18x+3(9xy)+3(-7x)+3(-2y)18x+3(9xy)+3(7x)+3(2y)
Step 7.4
Factor 33 out of 3(9xy)+3(-7x)3(9xy)+3(7x).
18x+3(9xy-7x)+3(-2y)18x+3(9xy7x)+3(2y)
Step 7.5
Factor 33 out of 3(9xy-7x)+3(-2y)3(9xy7x)+3(2y).
18x+3(9xy-7x-2y)18x+3(9xy7x2y)
18x+3(9xy-7x-2y)18x+3(9xy7x2y)
Step 8
Factor 33 out of 18x+3(9xy-7x-2y)18x+3(9xy7x2y).
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Step 8.1
Factor 33 out of 18x18x.
3(6x)+3(9xy-7x-2y)3(6x)+3(9xy7x2y)
Step 8.2
Factor 33 out of 3(6x)+3(9xy-7x-2y)3(6x)+3(9xy7x2y).
3(6x+9xy-7x-2y)3(6x+9xy7x2y)
3(6x+9xy-7x-2y)3(6x+9xy7x2y)
Step 9
Subtract 7x7x from 6x6x.
3(9xy-x-2y)3(9xyx2y)
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