Solve the quadratic equation.
2x2 + 35 = 17x
1 answer:
Get it to equal 0
minus 17x from both sides
2x²-17x+35=0
tricky part
get something like
(2x-a)(x-b)
we know the signs are negative since the middle term is negative and last term is positive
so a and b are either 1 and 35 or 5 and 7
(2x-1)(x-35), nope
(2x-35)(x-1) nope
(2x-5)(x-7), nope
(2x-7)(x-5), yep
(2x-7)(x-5)=0
set to zero
2x-7=0
2x=7
x=7/2
x-5=0
x=5
x=7/2 and 5
You might be interested in
2X^2+4X-8-X^2+6X-4
X^2+4X-8+6X-4
X^2+10X-12
About 7.1 feet for the answer
Area = (14 x 20) - ( 5 x 9)
Area = 280 - 45
Area = 235 square cm
1.2 is it as a decimal or 0.5