Question

Tolong jawab soal matematika ini ya plis

Answer 1

Soal a
= 15x -4 + 4x + 7
= 19x + 3

soal b
= 4x² +9x +3x-5
= 4x² + 12x -5

soal c
=5x² -4x +10 +7x² +10 -32
= 12x² + 3x -22

soal d
= 13a +2b -9a -7b +30a -12b
= 34a -17b

soal e
y⁴ + 3y² -y + y³ -11y² +12y +y² +6y -11
= y⁴ +y³ -7y² +11y -11