Factor
\left(4a-5s\right)\left(3s+5a\right)
Evaluate
\left(4a-5s\right)\left(3s+5a\right)
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20a^{2}-13sa-15s^{2}
Consider 20a^{2}-13as-15s^{2} as a polynomial over variable a.
\left(-5s+4a\right)\left(3s+5a\right)
Find one factor of the form ka^{m}+n, where ka^{m} divides the monomial with the highest power 20a^{2} and n divides the constant factor -15s^{2}. One such factor is -5s+4a. Factor the polynomial by dividing it by this factor.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Limits
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