ewoynrobinson ewoynrobinson
  • 18-12-2017
  • Mathematics
contestada

Solve for x. 4x^2+23x=−28

Respuesta :

taniaorozco
taniaorozco taniaorozco
  • 18-12-2017
4x² + 23x = -28

4x² + 23x + 28 = 0     move all terms to one side.

4x² + 16x + 7x + 28 = 0   split the second term into two terms

4x(x + 4) + 7(x + 4) = 0    factor.

(x + 4)(4x + 7) = 0    factor.

x = -4, -7/4

hope this helps, God bless!
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snugglebugaz snugglebugaz
  • 18-12-2017
the answer is -7/4, -4
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