7. Simplify 3x(x-7)+2(x + 3) and find its value for
(x) = -5
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Answers
Answered by
1
Answer:
176
Step-by-step explanation:
3(-5)(-5-7)+2(-5+3)
-15(-12) +2(-2)
180-4
176
Answered by
1
Answer:
176
Step-by-step explanation:
3x(x-7)+2(x + 3)
= 3x sq. - 21x + 2x +6
Put the value of x = -5
= 3(25) - 21(-5) + 2(-5) + 6
= 75 + 105 - 10 + 6
= 176
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