Question

Expand: (-p+4q-3r)²
PLEASE HELP PLZ
Sending picture will be perfect
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Answer 1

Answer:

p²+16q²+9r²-8pq+6pr-24qr

Step-by-step explanation:

Determine the sign, rewrite and calculate

$( - p )^{2} + {(4q)}^{2} + {( - 3r)}^{2} + 2( - p) \times 4q + 2( - p) \times ( - 3)r + 2(4q) \times ( - 3r)$

solution

p²+16q²+9r²-8pq+6pr-24qr

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