x2 + 3x + 7 = 5
∴ x2 + 3x + 2 = 0
∴ (x + 1)(x + 2) = 0
∴ x ∈ {-2, -1}
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x2 + 3x - 10 = (x + 5)(x - 2) ⇒ x = -5 or 2
The discriminant is -11.
3x-5=3x+5 There is no solution.
what is a slope
3x+5=20 x=5 since 5x3+5=20