Evaluate
\left(x^{2}-6x+7\right)\left(x^{2}+2x-7\right)
Expand
x^{4}-4x^{3}-12x^{2}+56x-49
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x^{4}-4x^{3}-12x^{2}+56x-49
Use the distributive property to multiply x^{2}+2x-7 by x^{2}-6x+7 and combine like terms.
x^{4}-4x^{3}-12x^{2}+56x-49
Use the distributive property to multiply x^{2}+2x-7 by x^{2}-6x+7 and combine like terms.
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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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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