Przectaw w postaci iloczynu ,nastepnie wykonaj mnożenia , pamietając o redukcji wyrazów podobnych.
a)(x + 3)²
b)(y-4)²
c) (6+2a) ²
d) (7p+9q)²
e) (5-3c) ²
f) (1-t) do potegi 3
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a)(x + 3) ( x + 3) = x² + 3x + 3x + 9 = x² + 6x + 9
b)(y-4) ( y- 4) = y² - 4y - 4y + 16 = y² - 8y + 16
c) (6+2a) (6 + 2a) = 36 + 12a + 12a + 4a² = 36 + 24a + 4a²
d) (7p+9q) ( 7p + 9q) = 49p + 63q + 63q + 81q² = 49p + 126q + 81q²
e) (5-3c) (5 - 3c) = 25 - 15c - 15c + 9c² = 25 - 30c + 9c²
f) (1-t) (1-t) (1-t) = (1 -t -t -t²)(1 - t) = 1 - t -t - t² -1 +t² + t² + t³ = -2 -2t + t² + t³
a) (x+3)² = (x+3)(x+3)= x²+3x+3x+9=x²+6x+9
b) (y-4)²= (y-4)(y-4)= y²-4y-4y+16 = y²-8y+16
c) (6+2a)²=(6+2a)(6+2a)= 36+12a+12a+4a2 = 4a²+24a+36
d) (7p+9q)²=(7p+9q)(7p+9q)=49p+63pq+63pq+81q²=81q²+126pq+49p
e) (5-3c)(5-3c) = 25-15c-15c+9c² = 25-30c+9c²
f) (1-t)(1-t)(1-t)=(1-t-t-t²)(1-t)=1-t-t-t²-1+t²+t²+t³=2-2t+t²+t³