a. 3(-4) - 5(9) - 7(-1)
= -12 - 45 + 7
= -57 + 7
= -50
b. -3(-4) + 2(9) - 7(-1)
= 12 + 18 + 7
= 37
c. -4(9 + -1) - (9 x -1)
= -36 + 4 + 9
= -23
d. -4² - 9(2) + -1²
= 16 - 18 + 1
= -2 + 1
= -1
e. (-4 + 9) (9 + (-1))
= 5 x 8
= 40
f. (3(-4) - 2(9) + 3(-1)) (-4 + 2(9))
= (-12 - 18 -3) + (-4 + 18)
= -33 + 14
= -19
semoga membantu
jadikan jawaban terbaik ya!
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a. 3(-4) - 5(9) - 7(-1)
= -12 - 45 + 7
= -57 + 7
= -50
b. -3(-4) + 2(9) - 7(-1)
= 12 + 18 + 7
= 37
c. -4(9 + -1) - (9 x -1)
= -36 + 4 + 9
= -23
d. -4² - 9(2) + -1²
= 16 - 18 + 1
= -2 + 1
= -1
e. (-4 + 9) (9 + (-1))
= 5 x 8
= 40
f. (3(-4) - 2(9) + 3(-1)) (-4 + 2(9))
= (-12 - 18 -3) + (-4 + 18)
= -33 + 14
= -19
semoga membantu
jadikan jawaban terbaik ya!