Question

15. Solve for x: (5x +1) (x + 3)-8 = 5(x + 1)(x+2)
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Answer 1

Answer:

x=15

Step-by-step explanation:

(5x +1) (x + 3)-8 = 5(x + 1)(x+2)

5x(x+3)+1(x+3)-8=5[x(x+2)+1(x+2)]

5x^2+15+x+3-8=5[x^2+2x+x+2]

5x^2+16x-5=5(x^2+3x+2)

5x^2+16x-5=5x^2+15x+10

5x^2-5x^2+16x-15x=10+5

x=15