7x2+49x+84 = 0
Divide all terms by 7:
x2+7x+12 = 0
Factorize:
(x+3)(x+4) = 0
Therefore the x intercepts are -3 and -4
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(7x + 8)(7x - 9)
(-7x + 3)(-7x +3)
49x^2 + 77x + 30 Improved answer: 7x+57x+6 When simplified: = 64x+6
(7x + 6)(49x^2 - 42x + 36)
5x2+ 7x + 2 = (x + 1)(5x + 2).