salima1202 salima1202

30-11-2020
Mathematics

contestada

The lesser of the two solutions to x(x + 4) = 21 is:

Respuesta :

ninjasavage2 ninjasavage2

30-11-2020

Answer:

Lesser is -7

Step-by-step explanation:

x(x+4) = 21

Distribute

x^2 + 4x = 21

x^2 + 4x - 21 = 0

x^2 + 7x - 3x -21 = 0

(x+7)(x-3) = 0

x=-7, 3

PLS MARK BRAINLIEST

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