Solve for x
x=3
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15x^{2}+7x-4-15x^{2}=17
Use the distributive property to multiply 3x-1 by 5x+4 and combine like terms.
7x-4=17
Combine 15x^{2} and -15x^{2} to get 0.
7x=17+4
Add 4 to both sides.
7x=21
Add 17 and 4 to get 21.
x=\frac{21}{7}
Divide both sides by 7.
x=3
Divide 21 by 7 to get 3.
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