Question

solve the following equation for x(5x+1)(x+3)-8=5(x+1)(x+2)
please help me and answer this equation plzz​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

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

(5x²+x)×(x+3)-8=(5x+5)×(x+2)

5x³+15x²+x²+3x-8=5x²+10x+5x+10

5x³+16x²+3x-8= 5x²+15x+10

5x³+16x²+3x-8-5x²-15x-10=0

5x³+11x²-12x-18=0

5x³+5x²+6x²+8x-18x-18=0

5x²×(x+1)+6x×(x+1)-18(x+1)=0

(x+1)×(5x²+6x-18)=0

x+1=0

5x²+6x-18=0

x=-1

x= -3+3√11/5

x=-3-3√11/5

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