solve by using factoring
[tex]3x^{2} + 33x + 84 = o[/tex]
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solve by using factoring
[tex]3x^{2} + 33x + 84 = o[/tex]
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Answer:
x = -7
x = -4
Step-by-step explanation:
3x^2 + 33x + 84 = 0
252x^2 = 12x . 21x
33x = 12x + 21x
3x^2 + 12x + 21x + 84 = 0
(3x^2 + 12x) + (21x + 84) = 0
3x(x + 4) + 21(x + 12) = 0
3x + 21 = 0
x + 4 =0
3x/3 + 21/3 =0
x + 7 = 0
x = -7
x = -4
pa brainliest please