ewoynrobinson
ewoynrobinson
18-12-2017
Mathematics
contestada
Solve for x. 4x^2+23x=−28
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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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