Evaluate
75x^{2}-20x+20
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75x^{2}-20x+20
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25x^{2}+20+\left(5x-2\right)\times 10x
Use the distributive property to multiply 5x^{2}+4 by 5.
25x^{2}+20+\left(50x-20\right)x
Use the distributive property to multiply 5x-2 by 10.
25x^{2}+20+50x^{2}-20x
Use the distributive property to multiply 50x-20 by x.
75x^{2}+20-20x
Combine 25x^{2} and 50x^{2} to get 75x^{2}.
25x^{2}+20+\left(5x-2\right)\times 10x
Use the distributive property to multiply 5x^{2}+4 by 5.
25x^{2}+20+\left(50x-20\right)x
Use the distributive property to multiply 5x-2 by 10.
25x^{2}+20+50x^{2}-20x
Use the distributive property to multiply 50x-20 by x.
75x^{2}+20-20x
Combine 25x^{2} and 50x^{2} to get 75x^{2}.
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