SOLUTION: Did I come up with the correct answer simplifying this equation? {{{ (10x^2 -3xy + 4y^2) - (3x^2 + 5xy) }}} a.) {{{ 7x^2 + 2xy + 4y^2 }}} b.) {{{ 7x^2 - 8xy + 4y^2 }}} c.)

Algebra ->  Test -> SOLUTION: Did I come up with the correct answer simplifying this equation? {{{ (10x^2 -3xy + 4y^2) - (3x^2 + 5xy) }}} a.) {{{ 7x^2 + 2xy + 4y^2 }}} b.) {{{ 7x^2 - 8xy + 4y^2 }}} c.)       Log On


   

Question 1034449: Did I come up with the correct answer simplifying this equation?
+%2810x%5E2+-3xy+%2B+4y%5E2%29+-+%283x%5E2+%2B+5xy%29+
a.) +7x%5E2+%2B+2xy+%2B+4y%5E2+
b.) +7x%5E2+-+8xy+%2B+4y%5E2+
c.) +7x%5E2+-+8xy+-+4y%5E2+
d.) +5x%5E2y%5E2+
I picked choice B
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
%2810x%5E2-3xy%2B4y%5E2%29-%283x%5E2%2B5xy%29
.
10x%5E2-3xy%2B4y%5E2-3x%5E2-5xy
.
%2810x%5E2-3x%5E2%29%2B%28-3xy-5xy%29%2B4y%5E2%29
.
%287x%5E2%29%2B%28-8xy%29%2B%284y%5E2%29
.
7x%5E2-8xy%2B4y%5E2
.
You are correct: The answer is B
.