How do you multiply (5 + x)(2x + 10)?
2 Answers
Apr 16, 2018
Explanation:
Divide by 2 to get the simplest form:
Apr 16, 2018
Explanation:
"Each term in the second bracket is multiplied by each "
"term in the first bracket"
rArr(color(red)(5+x))(2x+10)
=color(red)(5)(2x+10)color(red)(+x)(2x+10)
=(color(red)(5)xx2x)+(color(red)(5)xx10)+(color(red)(x)xx2x)+(color(red)(x)xx10)
=color(blue)(10x)color(magenta)(+50)+2x^2color(blue)(+10x)
"collect like terms"
=2x^2+20x+50larrcolor(red)"in standard form"