Answer:
(3x−5)(3x−5)−(2x−3)(4x+5)
Distribute:
=(3x)(3x)+(3x)(−5)+(−5)(3x)+(−5)(−5)+−8x2+2x+15
=9x2+−15x+−15x+25+−8x2+2x+15
Combine Like Terms:
=(9x2+−8x2)+(−15x+−15x+2x)+(25+15)
=x2+−28x+40
=x2−28x+40
X2-28+40
Explanation:
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