$4x^2+32x-28=0\ \ \ |:4\\\\x^2+8x-7=0\ \ \ |+7\\\\x^2+8x=7\\\\x^2+2x\cdot4=7\ \ \ |+4^2\\\\x^2+2x\cdot4+4^2=7+4^2\\\\(x+4)^2=7+16\\\\(x+4)^2=23\\\\Answer:\ B.(x+4)^2=23$

4 0

3 years ago

Find angles in isosceles triangle

mars1129 [50]

Answer:

do you have any example pictures?

Step-by-step explanation:

5 0

3 years ago

√(−x^2+3x−2)=4<br> Find the domain and solve.

MariettaO [177]

Answer:

lol this is easy use a cal 4 x

Step-by-step explanation:

4 0

3 years ago

What equation is equivalent to -3x+y=5?

VARVARA [1.3K]

Answer:

Step-by-step explanation:

-3x + y = 5

--3x - -3x Subtract -3x on both sides

y = 5 - -3x

y = 5 + 3x

So B is your answer

6 0

4 years ago