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900x^{2}-25
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900x^{2}-25
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\left(30x\right)^{2}-5^{2}
Multiplication can be transformed into difference of squares using the rule: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
30^{2}x^{2}-5^{2}
Expand \left(30x\right)^{2}.
900x^{2}-5^{2}
Calculate 30 to the power of 2 and get 900.
900x^{2}-25
Calculate 5 to the power of 2 and get 25.
\left(30x\right)^{2}-5^{2}
Multiplication can be transformed into difference of squares using the rule: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.
30^{2}x^{2}-5^{2}
Expand \left(30x\right)^{2}.
900x^{2}-5^{2}
Calculate 30 to the power of 2 and get 900.
900x^{2}-25
Calculate 5 to the power of 2 and get 25.
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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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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