Step-by-step explanation:
px^2-qx+r
p(x^2-q/px)+r
p[(x^2-q/px +(q/2p)^2_(q/2p)^2)]+r
p[(x-q/2p)^2 -q^2/4p^2)]+r
p(x-q/2p)^2 -q^/4p+r
p(x-q/2p)^2-(q^2-4pr)/4p
Answer:
-15804
b⁴
Explanation:
b×b=b² b×b=b²
b²×b=b³ b×b×b=b³
b³×b=b⁴ b×b×b×b=b⁴