Let's simplify step-by-step.
(−3+2x)(5x−2)+25x2−4−3(2−5x)
Distribute:
=(−3)(5x)+(−3)(−2)+(2x)(5x)+(2x)(−2)+25x2+−4+(−3)(2)+(−3)(−5x)
=−15x+6+10x2+−4x+25x2+−4+−6+15x
Combine Like Terms:
=−15x+6+10x2+−4x+25x2+−4+−6+15x
=(10x2+25x2)+(−15x+−4x+15x)+(6+−4+−6)
=35x2+−4x+−4
Answer:
=35x2−4x−4
j'ai trouvé sur mathPapa( algebra calculator)