Question

Any Math Genius answer this. Taje points and give answer right​

Answer 1

Step-by-step explanation:

1=4y^2-6y+19

2=x=20°

3=35°,55°

4=3x=1

Answer 2

Q1) (2y² + 4y - 5) - (3y - y² - 4) + (5y² - 7y +5)

=> 2y² + 4y - 5 - 3y + y² + 4 + 5y² - 7y +5

=> 2y² + y² + 5y² + 4y - 3y -7y - 5 + 4 + 5

=> 8y² - 6y + 4

Q2) The following angle is a supplementary angle, so the whole sum = 180°

Therefore, (3x + 20°) + (4x - 15°) + (35°) = 180°

=> 3x + 20° + 4x - 15° + 35° = 180°

=> 3x + 4x = 180° - 20° + 15° - 35°

=> 7x = 140°

=> x = 140°/7

=> x = 20°

Hence, 1st angle = 3x + 20, = (3×20) + 20, = 80°

2nd angle = 4x - 15, = (4×20) - 15 = 65°

3rd angle = 35°

80+65+35 = 180

Hence, answer is correct.

Q3) Complementary angle = 90°

Hence, let the first angle be x.

Then, the second angle is x - 20.

According to the given condition,

x + (x - 20) = 90°

=> x + x = 90 + 20

=> 2x = 110

=> x = 110/2

=> x = 55

Hence, first angle = 55°

second angle = x - 20, = 55 - 20, = 35°

55+35 = 90

Hence, answer is correct.

Q4) 4(x + 4) = x - 15

=> 4x + 16 = x - 15

=> 4x - x = -15 - 16

=> 3x = -31

=> x = -31/3

I answered them all with a lot of time and effort, I hope you appreciate it and mark as brainliest, thank you and I hope this helps you!!