You should not need a calculator for this. Use your head.
Take the square root of both sides.
x - 8 equals +7 or -7.
x = 15 or 1.
Give exact and approximate solutions to three decimal places.
(x-8)^2=49
I need step by step example on how to solve this AND input it into a calculator. Please!
2 answers
Give exact and approximate solutions to three decimal places.
y^2-6y+9=25
x^2+5x-7=0
y^2-6y+9=25
x^2+5x-7=0
1 answer