From the sum of 6q2-6r2 and-8q2 +6qr+ 2r² subtract the sum of 8q2 + 2gr, -4q2-7gr-r²
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Answer:
6q2-5gr-3r
Step-by-step explanation:
sum of (6q2-6r2)+(-8q2 + 6qr + 2r squared)
= 6q2-8q2-6r2+6qr + 2r squared
=-2q2+2r squared
sum of (8q2 + 2gr)+(-4q2 -7gr-r squared)
=8q2-4q2+2gr-7gr-r squared
=4q2-5gr- r squared
subtract (4q2-5gr -r squared) - (-2q2+2r squared)
=4q2+2q2-5gr-r squared-2r squared
=6q2-5gr-3r squared
HOPE YOU UNDERSTAND .
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