Evaluate
25-4b^{2}
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25-4b^{2}
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-4b^{2}+10b-10b+25
Apply the distributive property by multiplying each term of -2b-5 by each term of 2b-5.
-4b^{2}+25
Combine 10b and -10b to get 0.
-4b^{2}+10b-10b+25
Apply the distributive property by multiplying each term of -2b-5 by each term of 2b-5.
-4b^{2}+25
Combine 10b and -10b to get 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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