The answer is (4x-5)(5x^2+1)
Answer: 60°
<u>Step-by-step explanation:</u>
∠5 and ∠2 form a Linear Pair so their angles are supplementary.
∠5 + ∠2 = 180
130 + ∠2 = 180
∠2 = 50
∠2 + ∠3 + ∠4 = 180 <em>Triangle Sum Theorem</em>
50 + ∠3 + 70 = 180
∠3 + 120 = 180
∠3 = 60
Answer:
Step-by-step explanation:
Answer is 7/3