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y\left(20y+59\right)
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20y^{2}+59y
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30y^{2}+24y-5y\left(2y-7\right)
Use the distributive property to multiply 6y by 5y+4.
30y^{2}+24y-10y^{2}+35y
Use the distributive property to multiply -5y by 2y-7.
20y^{2}+24y+35y
Combine 30y^{2} and -10y^{2} to get 20y^{2}.
20y^{2}+59y
Combine 24y and 35y to get 59y.
30y^{2}+24y-5y\left(2y-7\right)
Use the distributive property to multiply 6y by 5y+4.
30y^{2}+24y-10y^{2}+35y
Use the distributive property to multiply -5y by 2y-7.
20y^{2}+24y+35y
Combine 30y^{2} and -10y^{2} to get 20y^{2}.
20y^{2}+59y
Combine 24y and 35y to get 59y.
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