factorise p^2 +16p^2+9r^2-8pq-24qr+6pr
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Answer:
here the answer is (p-4q+3r)²
.
p²+(-4q)²+(3r)²+2×p×(-4q)+2×(-4q)×3r+2×3r×p
(a+b+c)²=a²+b²+c²+2ab+2bc+2ca
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