Question

which of the following quadratic is the result when (2r+3)²+(r+4)²=10 is transformed into a quadratic equation?
a. 5r²+20r+15=10
b.5r+20r-15=10
c.5r²+20r+35=10
d.5r²+20r-35=10​

Answer 1

Answer:

your option is wrong, this question answer is that