Sagot :
bjr
comme k ( a + b ) = k * a + k * b
on aura
C = 7 * y + 7 * (-3) = 7y - 21
et
D = -2y * 17y - 2y * 8 = - 34y² - 16y
:)
bjr
comme k ( a + b ) = k * a + k * b
on aura
C = 7 * y + 7 * (-3) = 7y - 21
et
D = -2y * 17y - 2y * 8 = - 34y² - 16y
:)