Carlotta just needs to evaluate both expressions
Say y = 2
3y + 5y³ = 3(2) + 5(2)³ = 6 +40 = 46
8.y**4 <span> = 8*(2)**4 = 8*(16) = 128
This means that </span>3y + 5y³ ≠ 8.y**4
FACTORISATION IS BASICALLY FINDING LIKE-TERMS.
1. FIND THE HCF OF 8. HERE, THE HCF IS 8. ALSO, CHECK ALL THE LIKE-TERMS. LIKE-TERMS ARE OUTSIDE THE BRACKET AND UNLIKE TERMS ARE INSIDE.
2. ADD THE TERMS IN THE BRACKET AND THE TERMS OUTSIDE THE BRACKET FROM STEP 1.
8x + 8y + rx + ry
1. 8 (x + y) + r (x + y)
2. (x +y) (8+r)
Answer:

Step-by-step explanation:
x =135(being opposite angles of a parallelogram)