paogandariaovj2gb paogandariaovj2gb

26-01-2018
Mathematics

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Use factoring to solve the quadratic function 7x^2+25x

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meloan2211 meloan2211

26-01-2018

7x^2+25x
= x(7x+25)

I only factorized it because I didn't see any equation to solve but if 7x^2+25x = 0

x(7x+25) = 0
x = 0 or 7x+25=0
x = 0 or x = -3.57 (to 3s.f.)

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