Asked by nadine

Simplfy the following
(x^2-9x+9)-(-2x+4)+(6x^2-7x-5)

solution:
x^2-0 -x+2+
thats as far as I got
Answered by Kimberly
(x^2-9x+9)-(-2x+4)+(6x^2-7x-5)
= (x^2+11x+5)+(6x^2-7x-5)
= 7x^2-4x
Answered by nadine
write 0.003191 in scientific notation
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