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84x^{2}-21
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84x^{2}-21
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\left(42x-21\right)\left(2x+1\right)
Use the distributive property to multiply 21 by 2x-1.
84x^{2}+42x-42x-21
Apply the distributive property by multiplying each term of 42x-21 by each term of 2x+1.
84x^{2}-21
Combine 42x and -42x to get 0.
\left(42x-21\right)\left(2x+1\right)
Use the distributive property to multiply 21 by 2x-1.
84x^{2}+42x-42x-21
Apply the distributive property by multiplying each term of 42x-21 by each term of 2x+1.
84x^{2}-21
Combine 42x and -42x to get 0.
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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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