Algebra Examples

Simplify (y^x-5)(y^x+5)
(yx-5)(yx+5)
Step 1
Expand (yx-5)(yx+5) using the FOIL Method.
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Step 1.1
Apply the distributive property.
yx(yx+5)-5(yx+5)
Step 1.2
Apply the distributive property.
yxyx+yx5-5(yx+5)
Step 1.3
Apply the distributive property.
yxyx+yx5-5yx-55
yxyx+yx5-5yx-55
Step 2
Simplify terms.
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Step 2.1
Combine the opposite terms in yxyx+yx5-5yx-55.
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Step 2.1.1
Reorder the factors in the terms yx5 and -5yx.
yxyx+5yx-5yx-55
Step 2.1.2
Subtract 5yx from 5yx.
yxyx+0-55
Step 2.1.3
Add yxyx and 0.
yxyx-55
yxyx-55
Step 2.2
Simplify each term.
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Step 2.2.1
Multiply yx by yx by adding the exponents.
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Step 2.2.1.1
Use the power rule aman=am+n to combine exponents.
yx+x-55
Step 2.2.1.2
Add x and x.
y2x-55
y2x-55
Step 2.2.2
Multiply -5 by 5.
y2x-25
y2x-25
y2x-25
(yx-5)(yx+5)
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 [x2  12  π  xdx ]