Answer:
x=3 and x=-1.25
Step-by-step explanation:
4x^2-7x=15
subtract 15 from each side:
4x^2-7x-15=0
factor (trying different numbers that the sum is 7 and the quotient is 15)
(2x-6 )(2x+2.5 )=0
2x-6=0 add 6 to each side
2x=6
x=3
2x+2.5=0 subtract 2.5 from each side
2x=-2.5
x=-1.25
Answer:
no
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Given that AB and CD are parallel lines, then
∠c and ∠e are same side interior angles and are supplementary
Answer:
7x + 8
Step-by-step explanation:
2×2+7x+4
4 + 7x + 4
7x + 8
