Question

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f(x)=5x²+7x+2 find the value of x when f(x)=10

Answer 1

Step-by-step explanation:

f(x) =5x^2+7x+2

10=5x^2+7x+2 {f(x)=10}

10=5x^2+5x+2x+2 factrization

10=(x+1)(5x+2)

Then you have do with your brain