jika p=2,q=-1,dan r=5, hitunglah -7p2+5q+r2
Matematika
slankers93
Pertanyaan
jika p=2,q=-1,dan r=5, hitunglah -7p2+5q+r2
2 Jawaban
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1. Jawaban angga1185
= -7.2^2+5.-1+5^2
= -7.4+(-5)+25
= -28+(-5)+25
= -33+25
= -8 -
2. Jawaban suksess1
[tex] = - 7(2) ^{2} + 5( - 1) + (5) ^{2} \\ = - 7(4) + - 5 + 25 \\ = - 28 + - 5 + 25 \\ = - 8[/tex]
maaf kalo salah ^ ^