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28x^{2}-6x+8
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28x^{2}-6x+8
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20x^{2}+8+\left(4x-3\right)\times 2x
Use the distributive property to multiply 5x^{2}+2 by 4.
20x^{2}+8+\left(8x-6\right)x
Use the distributive property to multiply 4x-3 by 2.
20x^{2}+8+8x^{2}-6x
Use the distributive property to multiply 8x-6 by x.
28x^{2}+8-6x
Combine 20x^{2} and 8x^{2} to get 28x^{2}.
20x^{2}+8+\left(4x-3\right)\times 2x
Use the distributive property to multiply 5x^{2}+2 by 4.
20x^{2}+8+\left(8x-6\right)x
Use the distributive property to multiply 4x-3 by 2.
20x^{2}+8+8x^{2}-6x
Use the distributive property to multiply 8x-6 by x.
28x^{2}+8-6x
Combine 20x^{2} and 8x^{2} to get 28x^{2}.
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