Plis bantu . need banget . sama caranya ya.
a. 3(-3x-4) - 5(x+7)
b. (-x-4)²
c. (x - 3 ) (2x² - 3x + 2)
d. (x³ + 2x² - 8x + 5) : (x-1)
Mohonn bangettt .
a. 3(-3x-4) - 5(x+7)
b. (-x-4)²
c. (x - 3 ) (2x² - 3x + 2)
d. (x³ + 2x² - 8x + 5) : (x-1)
Mohonn bangettt .
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= -14x - 47
b. (-x-4)² = (-x)² + 2(-x)(-4) + (-4)²
= x + 8x +16
= 9x + 16
c. (x - 3 ) (2x² - 3x + 2) = 2x³ -3x² + 2x - 6x² + 9x -6
= 2x³ - 9x² + 11x - 6
yg d maf saya kurang paham