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Whats the answer to this problem/how to figure it out?!

Whats the answer to this problem/how to figure it out?!-example-1
User Roubachof
by
5.8k points

2 Answers

5 votes

Answer:

330

Explanation:


6x^2 +4x +8\\x =7\\\\6(7)^2 +4(7) +8\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:exponents}\:\left(7\right)^2\::\quad 49\\\\=6\cdot \:49+4\left(7\right)+8\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:6\cdot \:49\::\quad 294\\\\=294+4\left(7\right)+8\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:4\left(7\right)\::\quad 28\\\\=294+28+8\\\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:294+28+8\:\\:\quad 330

User Taya
by
5.2k points
6 votes

6x^2+4x+8

6x7^2+4x+8

blah blah blah

ANSWER

330

pls say if im right

User Andrej Oskin
by
5.8k points